Wikipedia:

Spells in Harry Potter

Spells in Harry Potter occur in the fictional universe of the series of books by author J. K. Rowling. Magic spells are used by many of the characters to achieve useful effects without the benefit of modern technology. The main depiction of a "spell" in the Harry Potter books consists of a gesture made with the character's wand, combined with a spoken or mental incantation. In the books and their associated film series, the majority of these incantations are derived from the Classical languages, particularly Latin[1]. These named incantations are not grammatically correct in any language; most spoken phrases resemble Latin words of appropriate meaning, but are not exactly Latin themselves.

In Harry Potter and the Half-Blood Prince, the concept of casting spells nonverbally is introduced. Prior to this, every spell cast by the principal characters had been accompanied by the appropriate incantation (although advanced adult practitioners of magic had been described casting nonverbal spells in previous books). Consequently, the incantations used for some spells introduced in Half-Blood Prince and its sequel Harry Potter and the Deathly Hallows are not known canonically.

Spells are listed here by their incantation (when known), with their vernacular name in parentheses. Some spells have no known incantation – the only canonical reference is by an informal name, either because in its only appearance in the relevant book it was cast nonverbally, or because it was never depicted in the books, only talked about. The majority of spells cast in duels between adult characters in all seven books appear nonverbally; such spells can only be identified by their effects.


Contents
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Accio (Summoning Charm)

Pronunciation: Various suggestions have been made
['ɑkkio] (AK-ee-o) - classical Latin (film)
['ɑksio] (AK-see-o) - (audio book, video game)
['æsio] (AH-see-o) - (Scholastic) English
Description: This charm summons an object to the caster, potentially over a significant distance[2].
Seen/Mentioned: First mentioned in Harry Potter and the Goblet of Fire, Harry summons his broom to complete the First Task of the Triwizard TournamentGF Ch.20. Later in the same book Harry summons a Portkey he can't reach to escape from the Battle in the Graveyard. Also seen in Harry Potter and the Half-Blood Prince and Harry Potter and the Deathly Hallows to try to summon Horcruxes, and Harry even tries to summon a falling Hagrid, and later, his glasses, to comical effectsDH Ch.4.
Suggested Etymology: The Latin word accio means "I call" or "I summon".[3]


(Age-Line Spell)

Pronunciation: Unknown
Description: Creates a line that is impassable by people below a set age.
Seen/Mentioned: Seen only in Harry Potter and the Goblet of Fire, Albus Dumbledore cast this spell to stop underage students from placing their names into the Goblet of FireGF Ch.16.
Notes: Fred and George Weasley, along with several other students, attempted to (though underage) pass the line using age potions. Their attempts failed, showing that the line cannot be tricked by this method.

Aguamenti

Pronunciation: AH-gwa-MEN-tee or AG-YOO-A-menti (IPA: /a.gwə.'mɛn.ti/)
Description: Produces a jet of water from the witch or wizard's wand.
Seen/Mentioned: First named in Harry Potter and the Half-Blood Prince, Harry casts this spell in an attempt to create a drink of water for Dumbledore after drinking Voldemort's potionHBP Ch.26, and later to douse Hagrid's hut after it is set on fireHBP Ch.28. Hermione uses it in Harry Potter and the Deathly Hallows to put out Mundungus's searing eyebrows. Shown again in the same book in an attempt to douse Vincent Crabbe's Fiendfyre curse.

Alohomora

Pronunciation: AL-lo-ha-MOR-ah (IPA: /ə'lo.həˌmo.ɹə/)
Description: Used to open and unlock doors,[4] but doors may be bewitched so that this spell has no effect.
Seen/Mentioned: Used throughout the series, first use by Hermione Granger in Harry Potter and the Philosopher's Stone on the door to the third floor corridor in HogwartsPS Ch.9.
Suggested Etymology: "Aloha" which is Hawaiian for "good-bye" and "mora" which is Latin for "obstacles"

Anapneo

Pronunciation: ah-NAP-nee-oh (IPA: /ə.'næp.ni.əʊ/)
Description: Clears the target's airway, if blocked.
Seen/Mentioned: Shown in Harry Potter and the Half-Blood Prince, Horace Slughorn casts this spell on Marcus Belby when the latter begins to chokeHBP Ch.7.

(Anti-Cheating Spell)

Pronunciation: Unknown
Description: Cast on parchment to prevent the writer from cheating while writing answers.
Seen/Mentioned: Mentioned in Harry Potter and the Philosopher's Stone and Harry Potter and the Order of the Phoenix as being cast on quills and exam papers near exam times at HogwartsPS Ch.16.

(Anti-Disapparition Jinx)

Pronunciation: Unknown
Description: Used to prevent Disapparition in an area for a time. Presumably can be used to prevent an enemy from entering a defended area, or used to trap an enemy in an area.
Seen/Mentioned: Mentioned in Harry Potter and the Order of the Phoenix, used by Albus Dumbledore to trap several Death Eaters in the Department of MysteriesOP Ch.36. Also cast long ago on Hogwarts, the reason why (As Hermione quotes innumerable times throughout the series) "No one can apparate or disapparate inside the Hogwarts grounds." In Harry Potter and the Deathly Hollows, death eaters had cast this spell, preventing the trio from escaping Hogsmeade.

(Antonin Dolohov's Curse)

Pronunciation: Unknown
Description: This curse causes serious internal injury, but does not show any external symptoms. It is described as cast with "a slashing motion", sending out a streak of purple flames.
Seen/Mentioned: Seen only in Harry Potter and the Order of the Phoenix, this spell is cast three times by Antonin Dolohov during the battle between the Death Eaters and members of Dumbledore's Army at the Ministry of Magic. All three times it is shown cast non-verbally, although one time this was due to Dolohov having previously been hit by the Silencing Charm and hence unable to speak.

Aparecium

Pronunciation: AH-par-EE-see-um (IPA: /æ.pə'ɹi.si.ʌm/)
Description: This spell makes invisible ink appear.
Seen/Mentioned: First seen in Harry Potter and the Chamber of Secrets, when Hermione Granger tries to make hidden writing appear in Tom Marvolo Riddle's diaryCS Ch.13.
Notes: See also Specialis Revelio.

(Atmospheric Charm)

Pronunciation: Unknown
Description: Presumably causes weather patterns to be created.
Seen/Mentioned: It was said in Harry Potter and the Deathly Hallows that a malfunction of this spell may have been causing offices in the Ministry of Magic to rain.

Avada Kedavra (Killing Curse)

Main article: Unforgivable Curses
Pronunciation: uh-VAH-dah kuh-DAHV-rah (IPA: /ə.'væ.də kə.'dæv.ɹə/)
Description: One of the three "Unforgivable Curses". Causes instant, painless death, and leaves no physical signs of cause of death. There is no described counter-curse or blocking spell, but it is shown that the spell can be blocked by physical coverOP Ch.36, and the caster is still required to aim to hit the target. Described effects include a flash of green lightGF Ch.14 and a rushing sound, similar to an oncoming high-speed objectGF Ch.1.
Seen/Mentioned: Throughout the series. This was the spell described as used to kill Harry Potter's parents. Lord Voldemort is shown to kill many people with this curse.
Suggested Etymology: From the Aramaic אבדא כדברא avada kedavra, translated as "I destroy as I speak" or Let the thing be destroyed. "Abracadabra" means "begone like this word."[5]

Avis

Pronunciation: AH-vis (IPA: /a'vɪs/)
Description: This charm creates a flock of birds which pour forth from the caster's wand. When coupled with Oppugno, it can be used offensively.
Seen/Mentioned: Shown in Harry Potter and The Goblet of Fire, cast by Mr Ollivander to test Viktor Krum's wandGF Ch.18. In Harry Potter and the Half-blood Prince, it is cast by Hermione, followed by Oppugno which causes the birds to attack Ron Weasley.HBP Ch.14

B

(Banishing Charm)

Pronunciation: Incantation unknown
Description: Opposite to "Accio".
Seen/Mentioned: Seen in Harry Potter and the Goblet of Fire, cast by Hermione Granger who perfectly banishes a cushion into a box which is their target in their Charms class.

(Bat-Bogey Hex)

Pronunciation: Unknown
Description: Grotesquely enlarges the target's bogies (British slang for nasal mucus), gives them wings, and sets them attacking the target.
Seen/Mentioned: Ginny Weasley is depicted as an accomplished caster of this particular spellOP Ch.6. She is shown to use it in Harry Potter and the Order of the Phoenix on Draco MalfoyOP Ch.33, and in Harry Potter and the Half-Blood Prince on Zacharias SmithHBP Ch.7.[6]

(Bedazzling Hex)

Pronunciation: Unknown
Description: Similar to a Disillusionment Charm, it can be used to conceal a person or an object.
Seen/Mentioned: Mentioned only in Harry Potter and the Deathly Hallows by Xenophilius Lovegood. Never cast in canon.
Notes: Is used to make invisibility cloaks.

(Bluebell Flames)

Pronunciation: Unknown
Description: Shoots a jet of bright blue flames.
Seen/Mentioned: First seen unnamed cast by Hermione on Snape's robes during a Quidditch matchPS Ch.9 then mentioned later as the same spell when Hermione uses it on the Devil's Snare protecting the Philosopher's Stone.PS Ch.16

(Bubble-Head Charm)

Pronunciation: Unknown
Description: Puts a large bubble of air around the head of the user. Used as a magical equivalent of a breathing set.
Seen/Mentioned: in Harry Potter and the Goblet of Fire, Cedric Diggory and Fleur Delacour use this charm underwater in the second task of the Triwizard TournamentGF Ch.26. In Harry Potter and the Order of the Phoenix, it is described as used by many Hogwarts students when walking through the hallways, because of the bad smells caused by the various pranks played on Dolores UmbridgeOP Ch.30.

C

(Caterwauling Charm)

Pronunciation: Unknown
Description: Anyone entering the perimeter of a Caterwauling Charm sets off a high-pitched shriek.
Seen/Mentioned: Mentioned in Harry Potter and the Deathly Hallows, cast by Death Eaters over Hogsmeade to protect against intruders.DH Ch.28
Note: Similar to an intruder charm: they both produce an alarm if the vicinity is disturbed.

Cave Inimicum

Pronunciation: KAH-vay ih-NIH-mih-kum (IPA: /ˈkæ.ve ɪ.ˈnɪ.mɪ.kʌm/)
Description: Spell used to strengthen an enclosure from enemies.
Seen/Mentioned: Shown only in Harry Potter and the Deathly Hallows, cast by Hermione and Harry to strengthen their campsites' defencesDH Ch.22.

(Cheering Charm)

Pronunciation: Unknown
Description: Causes the person upon whom the spell was cast to become happy and contented, though heavy-handedness with the spell may cause the person to break into an uncontrollable laughing fit.
Seen/Mentioned: First seen in Harry Potter and the Prisoner of Azkaban.PA Ch.15

Colloportus

Pronunciation: cul-loh-POR-tus (IPA: /kɔ.lo.ˈpɔ˞.təs/)
Description: Magically locks a door, preventing it from being opened by Muggle means.[7]
Seen/Mentioned: First in Harry Potter and the Order of the Phoenix, cast by Hermione in the Department of Mysteries.
Notes: This spell functions as the counter spell to Alohomora

(Colour-Change Charm)

Pronunciation: Unknown. A highly unlikely incantation is attempted by Ron Weasley in Harry Potter and the Philosopher's StonePS Ch.6.
Description: Changes an object's colour.
Seen/Mentioned: Mentioned in Harry's Ordinary Wizarding Levels in Harry Potter and the Order of the PhoenixOP Ch.31.

Confringo (Blasting Curse)

Pronunciation: con-FRIN-goh (hard "g") or con-FRIN-joh (IPA: /kʌn.ˈfɹɪŋ.gəʊ/ or /kʌn.ˈfɹɪn.dʒəʊ/)
Description: Causes anything that the spell comes into contact with to explode.
Seen/Mentioned: Seen only in Harry Potter and the Deathly Hallows. In the opening chapters, it is cast by Harry to destroy the side-car of the flying motorbikeDH Ch.4. Later, used by Hermione in an attempt to kill Nagini and facilitate an escape from Bathilda Bagshot's house in Godric's HollowDH Ch.17.

Confundo (Confundus Charm)

Pronunciation: con-FUN-doh (IPA: /kʌn.ˈfʌn.dəʊ/)
Description: Causes the victim to become confused and befuddled.
Seen/Mentioned: First mentioned in Harry Potter and the Prisoner of Azkaban, when Severus Snape suggests that Harry and Hermione had been Confunded to believe Sirius Black's claim to innocencePA Ch.21. In Harry Potter and the Goblet of Fire, it is suggested that the Confundus Charm is responsible for the Goblet choosing a fourth Triwizard contestantGF Ch.17. It is first seen in action when Hermione Granger uses it on Cormac McLaggen during Quidditch tryouts in Harry Potter and the Half-Blood PrinceHBP Ch.11.

(Conjunctivitus Curse)

Pronunciation: Unknown
Description: A curse that affects the victim's vision.
Seen/Mentioned: It is suggested by Sirius Black in Harry Potter and the Goblet of Fire as a means for defeating a dragon for the first task of the Triwizard Tournament, and used by Viktor Krum for this purposeGF Ch.19, 20. Mentioned in Harry Potter and the Order of the Phoenix as cast by Madame Maxime against giantsOP Ch.20.

Crucio (Cruciatus Curse)

Main article: Unforgivable Curses#Crucio (The Cruciatus Curse)
Pronunciation: KROO-see-oh (IPA: /ˈkɹu.si.əʊ/)
Description: Inflicts intense pain on the recipient of the curse. One of the three Unforgivable Curses.[8]
Seen/Mentioned: First seen in Harry Potter and the Goblet of Fire when it is demonstrated on a spider during a "class demonstration" in a Defence Against the Dark Arts lessonGF Ch.14. Used thereafter throughout the series by the Death Eaters and (on two occasions) Harry OP Ch.36DH Ch.30. Characters known to have been subject to this curse include HarryGF Ch.34, HermioneDH Ch.23 and NevilleOP Ch.36.

(Cushioning Charm)

Pronunciation: Unknown
Description: Creates an invisible cushioned area.
Seen/Mentioned: Mentioned in Quidditch Through the Ages, cast on broomsticks to provide a more comfortable ride. Shown in Harry Potter and the Deathly Hallows, used to cushion Harry, Ron, and Hermione's fall in Gringotts.

D

Defodio (Gouging Spell)

Pronunciation: deh-FOH-dee-oh (IPA: dɛ.ˈfəʊ.di.əʊ/)
Description: This spell causes deep gouges to appear in the object targeted by the spell.[9]
Seen/Mentioned: Cast by the three lead characters in Harry Potter and the Deathly Hallows to help dig their way out of the Gringotts TunnelsDH Ch.26.

Deletrius

Pronunciation: deh-LEE-tree-us (IPA: /də.'li.tɹi.əs/)
Description: An erasure spell. It erases images and magical "after-effects".[9]
Seen/Mentioned: Seen only in Harry Potter and the Goblet of Fire when Amos Diggory gets rid of the echo of the Dark Mark from Harry's wandGF Ch.9.

Densaugeo

Pronunciation: den-sah-OO-jee-oh /dɛn.'sɔ.dʒi.əʊ/)
Description: This hex makes the victim's teeth grow rapidly.[9]
Seen/Mentioned: Seen only in Harry Potter and the Goblet of Fire, cast by Draco Malfoy on Harry, which is deflected onto HermioneGF Ch.18.


Descendo

Pronunciation: deh-SEN-doh (IPA: /dɛ.ˈsɛn.dəʊ/)
Description: The spell likely causes any targeted object to move downwards.[9]
Seen/Mentioned: Seen twice in Harry Potter and the Deathly Hallows, It is cast by Ron to magically cause the stairs in his room to descendDH Ch.6, and later by Crabbe in the Room of Hidden Things to lower the wall behind which Ron is hidingDH Ch.31.

Deprimo

Pronunciation: DEH-prih-moh.
Description: This spell places immense downward pressure upon its target, which may result in the violent fracturing of said target. [9]
Seen/Mentioned: Introduced in Harry Potter and the Deathly Hallows when Hermione blasts a hole through a living room floorDH Ch.21.

Diffindo (Severing Charm)

Pronunciation: dif-FIN-doh (IPA: /dɪ.'fɪn.dəʊ/)
Description: Tears the target or a specific area on the target.[9]
Seen/Mentioned: In Harry Potter and the Goblet of Fire when Harry urgently wants to talk to Cedric Diggory he casts this spell to rip his bag, delaying him for classGF Ch.9And in Harry Potter and the Half-Blood Prince to switch covers of his potion books . Also shown several times in Harry Potter and the Deathly Hallows, for cutting ropesDH Ch.9, chainsDH Ch.13, etc.
Suggested Etymology: Latin diffindo, "I divide."[3]

Dissendium

Pronunciation: dis-EN-dee-um (IPA: /dɪ.'sɛn.di.əm/)
Description: Causes the statue of the humpbacked witch hiding the secret passage to Honeydukes to open up.[9]PA Ch.10
Seen/Mentioned: Seen only in Harry Potter and the Prisoner of Azkaban.

(Disillusionment Charm)

Pronunciation: Unknown
Description: Causes the target to become able to change colour to match their background, effectively hiding them without making them invisible,[9] but it is also stated that powerful wizards, such as Dumbledore or Grindelwald, could cast disillusionment charms so powerful, that they were effectively invisible.
Seen/Mentioned: First in Harry Potter and the Order of the Phoenix, Alastor Moody casts this charm on HarryOP Ch.3, 4. Xenophilius Lovegood mentions, in Harry Potter and the Deathly Hallows, that invisibility cloaks are sometimes created by casting a disillusionment charm on a regular cloakDH Ch.21.
Notes: The described sensation of a Disillusionment charm is a feeling "something cold and wet trickling down [your] back." When the charm is lifted, the subject feels something hot trickling down their back.OP Ch.3, 4

Duro

Pronunciation: DOO-roh (IPA: /ˈdu.ɹəʊ/)
Description: Turns its target to stone.[9]
Seen/Mentioned: Seen in Harry Potter and the Deathly Hallows, cast by Hermione Granger while escaping from Death Eaters in HogwartsDH Ch.32.

E

Engorgio (Engorgement Charm)

Pronunciation: en-GOR-jee-oh (IPA: /ɪn.'gɔ˞.dʒi.əʊ/)
Description: Causes objects to swell in size.
Seen/Mentioned: A "Growth Charm" with the same effect is briefly mentioned. Seen in Harry Potter and the Goblet of Fire when Barty Crouch, Jr, impersonating Professor Moody, casts it on a spider to enhance a demonstration of the effects of the Cruciatus Curse. Hagrid is suspected of having performed the charm on his pumpkinsCS Ch.7, and Ron Weasley suggested it might be the cause of Hagrid's abnormal size before learning that he is half-giant. Cast on a spider by Harry in Harry Potter and the Deathly Hallows.
Suggested Etymology: The English word engorged means "distended" or "swollen" by way of Old French engorgier[5]

Episkey

Pronunciation: eh-PIS-key (IPA: /ɛpɪ'ski/)
Description: Used to heal relatively minor injuries. When this spell is cast, the person feels their injured body part go very hot and then very cold.
Seen/Mentioned: Used in Harry Potter and the Goblet of Fire after the first task of the Triwizard Tournament. In Harry Potter and the Half-Blood Prince, Nymphadora Tonks uses this spell to fix Harry's broken nose; also used by Harry in the same book to fix Demelza Robins' mouth.
Notes: Rowling writes in Harry Potter and the Half-Blood Prince that Harry's knowledge tells him this spell could belong to a family (or variety) of Healing Spells, in the same way a species of plants belongs to a larger genus.

Erecto

Pronunciation: ee-RECK-toh or eh-RECK-toh (IPA: /ɪ.ˈɹɛk.təʊ/ or /ə.ˈɹɛk.təʊ/)
Description: Used to erect a tent or other structure.
Seen/Mentioned: Used by Hermione and Harry to construct shelter for themselves and Ron in Harry Potter and the Deathly Hallows.

Evanesco (Vanishing Spell)

Pronunciation: ev-an-ES-koh (IPA: (IPA: /ɛ.vn̩.'ɛs.kəʊ/)
Description: Makes something vanish.
Seen/Mentioned: Used in Harry Potter and the Order of the Phoenix by Professor Snape to make Harry's potions disappear from his cauldron. In addition, when Fred and George were showing off their puking pastilles, Lee Jordan cleared the bucket of vomit with the Evanesco spell. During their stay at #12, Grimmauld Place, Bill uses this on a stack of documents. This suggests that Vanished objects can be recovered.
Notes: According to Professor McGonagall, in Harry Potter and the Deathly Hallows, Vanished objects and organisms go "into non-being, which is to say, everything." This was McGonagall's response to the question, "Where do vanished objects go?" from the door knocker at Ravenclaw Tower.

Expecto Patronum (Patronus Charm)

Pronunciation: ecks-PEK-toh pah-TRO-num (IPA: /ɛks.'pɛk.təʊ pə.'trəʊ.nʌm/)[10]
Description: The Patronus Charm is a defensive spell used to conjure an incarnation of the Witch's or Wizard's innermost positive emotions to act as a protector. It can also be used to send messages.
Seen/Mentioned: First seen in Harry Potter and the Prisoner of Azkaban, when Remus Lupin made the Dementor on the train disappear, though seen without the incantation noticed. Lupin later teaches Harry Potter to use the charm as a defence against Dementors.
Suggested Etymology: See Patronus Charm article.

Expelliarmus

Pronunciation: ex-pel-ee-AR-mus (IPA: /ɛks.ˌpɛ.li.'a˞.mɪs/)
Description: This spell is used to disarm another wizard, typically by causing the victim's wand to fly out of reach[8][11]. It can also throw the target backwards when enough power is put into it. As demonstrated in Harry Potter and the Prisoner of Azkaban, simultaneous use of this spell by multiple witches or wizards on a single person can throw the wizard back with much greater force.
Seen/Mentioned: First seen in Harry Potter and the Chamber of Secrets, when Professor Snape disarms Professor Lockhart in the Dueling Club; from then on it is commonly throughout the rest of the series. Draco Malfoy uses it to disarm Albus Dumbledore and Harry uses it in the final battle against Voldemort while wielding the Elder Wand. It is seen by the Death Eaters as Harry's signature spell, as he had used it to duel Voldemort in both Harry Potter and the Goblet of Fire and Harry Potter and the Deathly Hallows.

Expulso

Pronunciation: ecks-PUL-soh (IPA: /ɛks.ˈpʊl.səʊ/)
Description: A curse which causes that with which it comes into contact to explode violently. Similar to the Blasting Curse, which also causes its target to explode.
Seen/Mentioned: Used by a Death Eater in an attempt to capture Harry Potter in Harry Potter and the Deathly Hallows.

F

Ferula

Pronunciation: feh-ROO-lah (IPA: /fɛ.'ɹu.lə/)
Description: Creates a bandage and a splint.
Seen/Mentioned: Used by Remus Lupin in Harry Potter and the Prisoner of Azkaban to bind Ron's broken leg.

(Fidelius Charm)

Pronunciation: Unknown
Description: a charm involving secret information hidden within the soul of a Secret-Keeper. This information is irretrievable until the Secret-Keeper chooses to reveal it; those who have the secret revealed to them cannot reveal it to others.
Seen/Mentioned: In Harry Potter and the Prisoner of Azkaban, it is explained that when Harry was an infant, he and his parents, James and Lily Potter, were hidden from Lord Voldemort by this charm. Later, in Harry Potter and the Order of the Phoenix, the charm is used to hide the location of the headquarters for the Order of the Phoenix. It is mentioned in Harry Potter and the Deathly Hallows, used to protect the location of Shell Cottage and the Weasleys' Aunt Muriel's house.
Notes: Rowling previously stated that when a Secret-Keeper dies, the Secret they held can never be revealed to anyone else; the people who were told before the Secret-Keeper's death will still know the secret, but after the death of the Secret-Keeper no one new can be brought into the circle of knowledge.[12] However, in Harry Potter and the Deathly Hallows, it is explained that upon the Keeper's death, all those who have been told the secret become Secret-Keepers in turn, and can pass the secret on to others.

(Fiendfyre)

Pronunciation: Unknown
Description: Fiendfyre is a seemingly unstoppable cursed fire, the flames of which take the shape of fantastic creatures that pursue those caught in its path. It is shown to be capable of destroying Horcruxes.
Seen/Mentioned: Used in Harry Potter and the Deathly Hallows when Crabbe, Goyle, and Draco Malfoy corner Harry in the Room of Hidden Things (one manifestation of the Room of Requirement). Crabbe casts Fiendfyre, which become flaming beasts that pursue Harry, Ron, and Hermione and devour every object within the Room, including Crabbe and the diadem Horcrux.
Notes: Hermione notes that she was aware that Fiendfyre could potentially destroy a Horcrux but that she never considered using it for that purpose because it was too dangerous to use.

Finite (Incantatem) (Counter-Spell)

Pronunciation: fi-NEE-tay (in-can-TAH-tem) (IPA: /fɪ.'ni.teɪ (ɪn.kn̩.'tæ.dm)̩/)
Description: Negates many spells or the effects of many spells.
Seen/Mentioned: Professor Snape uses it in Harry Potter and the Chamber of Secrets to restore order in the Dueling Club when Harry and Draco are duelling. Remus Lupin uses the short form "Finite" in Harry Potter and the Order of the Phoenix. In Harry Potter and the Deathly Hallows, Hermione suggests to Ron to attempt to use this spell to stop it raining in Yaxley's office. Harry used Finite to counter Crabbe's Descendo attack on Ron in Harry Potter and the Deathly Hallows.

(Flagrante Curse)

Pronunciation: Unknown
Description: Causes any object affected to burn human skin when touched.
Seen/Mentioned: Seen in the Lestranges' vault in Harry Potter and the Deathly Hallows, as a criminal deterrent.

Flagrate

Pronunciation: fluh-GRAYT, FLAH-grayt, fluh-GRAH-tay (IPA: /flə.ˈɡɹæ.te/)
Description: With this spell, the caster's wand can leave fiery marks.
Seen/Mentioned: Cast by Hermione in Harry Potter and the Order of the Phoenix to identify doors of the Department of Mysteries which members of Dumbledore's Army had already opened, by marking them with an 'X'.

(Flame-Freezing Charm)

Pronunciation: Unknown
Description: Causes fire to become harmless to those caught in it, creating only a gentle, tickling sensation instead of burns.
Seen/Mentioned: Mentioned in the first chapter of Harry Potter and the Prisoner of Azkaban as used by witches and wizards during medieval burnings.

(Flying Charm)

Pronunciation: Unknown
Description: Cast on broomsticks, and (presumably) magic carpets to make them fly.
Seen/Mentioned: Draco Malfoy mentioned this spell when tauntingly asking Ron Weasley why would anyone cast a Flying Charm on Ron's broomstick in Harry Potter and the Order of the Phoenix during Ron's first Quidditch practice. It is also mentioned in Quidditch Through the Ages.
Notes: See Quidditch.

Furnunculus

Pronunciation: fer-NUN-kyoo-lus
Description: Causes the target to become covered in boils.
Seen/Mentioned: Used by Harry Potter in Harry Potter and the Goblet of Fire on Draco Malfoy, but was deflected onto Goyle instead.
Suggested Etymology: Latin furunculus, a type of boil.[5]

G

Geminio

Pronunciation: jeh-MIH-nee-oh or geh-MIH-nee-oh (hard "g") (IPA: /dʒə.ˈmɪ.ni.əʊ/ or /ɡə.ˈmɪ.ni.əʊ/)
Description: Creates a duplicate of any object cast upon.
Seen/Mentioned: Used by Hermione in Harry Potter and the Deathly Hallows to copy Salazar Slytherin's locket in order to hide their tracks from Dolores Umbridge.
Suggested Etymology: Latin geminus, meaning twins.

(Gemino Curse)

Pronunciation: Unknown
Description: Whenever an object affected by this curse is touched, it duplicates itself into many useless copies to hide the original.
Seen/Mentioned: Seen in Harry Potter and the Deathly Hallows when Harry, Ron, Hermione, and Griphook the goblin break into the Lestrange vault in Gringotts. This was also used by Hermione to duplicate the locket Horcrux at the Ministry so Umbridge would not notice its absence.

Glisseo

Pronunciaton: GLISS-see-oh or gliss-SAY-oh (IPA: /ˈɡlɪs.si.əʊ/ or /ɡlɪs.ˈse.əʊ/)
Description: Causes the steps on a stairway to flatten and form a ramp or slide.
Seen/Mentioned: Used by Hermione to escape from pursuing Death Eaters in Harry Potter and the Deathly Hallows.

(Gripping Charm)

Pronunciation: Unknown
Description: Used to help someone grip something with more effectiveness. This charm is placed upon Quaffles to help Chasers carry the Quaffle whilst simultaneously holding their brooms.
Seen/Mentioned: Mentioned in Quidditch Through the Ages.
Notes: See Quidditch.

H

(Hair-Thickening Charm)

Pronunciation: Unknown
Description: Thickens one's hair.
Seen/Mentioned: In Harry Potter and the Order of the Phoenix, Severus Snape asserts that Alicia Spinnet used it on her eyebrows even though she was obviously hexed by a member of the Slytherin Quidditch team.

Homenum Revelio

Pronunciation: HOM-eh-num reh-VEH-lee-oh (IPA: /ˈhɔ.mɛ.nʌm ɹə.ˈvɛ.li.əʊ/
Description: Reveals humans in the vicinity of the caster.
Seen/Mentioned: First used by Dumbledore to detect Harry under his Invisibility Cloak, but first named when used multiple times by various characters in Harry Potter and the Deathly Hallows.

[13].

(Homorphus Charm)

Pronunciation: Unknown
Description: Causes an Animagus or transfigured object to assume its normal shape.
Seen/Mentioned: According to Gilderoy Lockhart, he used it to force the Wagga Wagga Werewolf to take its human form (Harry Potter and the Chamber of Secrets).

(Horton-Keitch Braking Charm)

Prounciation: Unknown
Description: This spell was first used on the Comet 140 to prevent players from overshooting the goal posts and from flying off-sides.
Seen/Mentioned: Mentioned in Quidditch Through the Ages as the charm that gave the Comet 140 an advantage over the Cleansweep.
Notes: See Quidditch.

(Hurling Hex)

Pronunciation: Unknown
Description: Causes brooms to vibrate violently in the air and try to buck their rider off.
Seen/Mentioned: In Harry Potter and the Philosopher's Stone, Professor Quirrell may have been casting a wordless and wandless version of this spell on Harry's broom during his Quidditch match. Professor Flitwick suggested that Harry's confiscated Firebolt may be jinxed with this spell.

I

Impedimenta (Impediment Jinx, Impediment Curse)

Pronunciation: im-ped-ih-MEN-tah (IPA: /ɪm.ˌpɛ.dɪ.'mɛn.ta/
Description: This hex is capable of tripping, freezing, binding, knocking back and generally impeding the target's progress towards the caster. The extent to which the spell's specific action can be controlled by the caster is not made clear. If this spell does bind it does eventually wear off as stated in Deathly Hallows.
Seen/Mentioned: Used in Harry Potter and the Goblet of Fire when Harry is practising for the third task. Also used by Madam Hooch to momentarily stop Harry from fighting with Draco Malfoy. Also seen toward the end of Harry Potter and the Order of the Phoenix, when Harry is fighting the Death Eaters. Stronger uses of this spell seem capable of blowing targets away.
Suggested Etymology: Latin impedimentum (plural impedimenta),[5] "a hindrance" or "an impediment".

Imperio (Imperius Curse)

Main article: Unforgivable Curses
Pronunciation: im-PEER-ee-oh (IPA: [ɪm.'pi.ɹi.ˌəʊ]) (classical Latin: eem-PEHR-ee-oh (IPA: [im.ˈpɛɾ.i.ˌɔ])
Description: One of the three "Unforgivable Curses". Places the subject in a dream-like state, in which he or she is utterly subject to the will of the caster. However, those who are strong willed may learn to resist it.[HP4]
Seen/Mentioned: Used on many occasions. First seen in Harry Potter and the Goblet of Fire when Barty Crouch Jr, impersonating ex-Auror Alastor "Mad-Eye" Moody, uses it on a spider and later on students during a "class demonstration" in a Defence Against the Dark Arts lecture. While breaking into Gringotts in Harry Potter and the Deathly Hallows, Harry uses it on a goblin and a Death Eater when they became suspicious.
Suggested Etymology: Latin impero, "I command", and English imperious.[5]

(Imperturbable Charm)

Pronunciation: Unknown
Description: Makes objects such as doors impenetrable (by everything, including sounds and objects).
Seen/Mentioned: The spell is used in Harry Potter and the Goblet of Fire by Hermione to trap Rita Skeeter within a bottle while she was in beetle form. It was also used by Mrs Weasley in Harry Potter and the Order of the Phoenix on the door of the room in which an Order of the Phoenix meeting was being held, in order to prevent her sons, Fred and George, from eavesdropping

Impervius (Impervius Charm)

Pronunciation: im-PURR-vee-uss (IPA: [ɪm.'pɝ.vi.ˌɛs])
Description: This spell makes something repel (literally, become impervious to) substances and outside forces, including water.
Seen/Mentioned: Used by Hermione in Harry Potter and the Prisoner of Azkaban on Harry's glasses while in a Quidditch match and also by the Gryffindor Quidditch team in Harry Potter and the Order of the Phoenix, both times to allow team members to see in a driving rain. Also used in Harry Potter and the Deathly Hallows, first by Ron to protect objects in Yaxley's office from rain, and then by Hermione in an attempt to protect Harry, Ron and Griphook from the burning treasure in the Lestranges' vault.

Incarcerous

Pronunciation: in-CAR-ser-us (IPA: [ɪn.'kaɹ.sɝ.ˌɪs])
Description: Ties someone or something up with ropes.
Seen/Mentioned: First heard in Harry Potter and the Order of the Phoenix, when Dolores Umbridge gets in a battle with the centaurs. Also used by Harry on the Inferi in Lord Voldemort's Horcrux chamber, in Harry Potter and the Half-Blood Prince.

Incendio

Pronunciation: in-SEN-dee-oh (IPA: [ɪn.'sɛn.di.ˌəʊ])
Description: Produces fire.[8]
Seen/Mentioned: It is first seen in Philosopher's Stone when Hagrid produces fire out of his umbrella in the little house the Dursleys took refuge in (from the Hogwarts letters). Then Hermione uses it to set fire to Snape's robes. Also used in Harry Potter and the Goblet of Fire by Arthur Weasley to create a fire in the Dursleys' hearth so that he could use Floo powder there. In Harry Potter and the Half-Blood Prince, this spell is used several times in battle, for instance when Hagrid's hut is set ablaze.

(Intruder Charm)

Pronunciation: Unknown
Description: Detects intruders and sounds an alarm.
Seen/Mentioned: Horace Slughorn had it on a temporary Muggle owned house he was living in, allowing him to detect Albus Dumbledore and Harry Potter as they approached in Harry Potter and the Half-Blood Prince.

J

(Jelly-Legs Jinx)

Pronunciation: Unknown
Description: A jinx that renders its victim's legs temporarily useless, leaving them to wobble around helplessly until the effect wears off or the counter-jinx is performed.
Seen/Mentioned: First mentioned as one of the jinxes in the book Curses and Counter-Curses.PS Ch.5 Then used by Harry practising for the Third Task of the Triwizard Tournament, by Hermione Granger.GF Ch.31 After the tournament, Malfoy, Crabbe and Goyle tried to harass Harry and were hit with a few hexes, curses and jinxes, including the Jelly-Legs Jinx.GF Ch.37

K

(Knee-Reversal Hex)

Pronunciation: Unknown
Seen/Mentioned: In Quidditch Through the Ages, Gertie Keddle uses this hex when a man playing an early form of Quidditch comes to retrieve his ball from her garden.

L

Langlock

Pronunciation: LAN-glock (IPA: ['leɪŋ.lɔk])
Description: Glues the subject's tongue to the roof of their mouth. Created by Severus Snape.
Seen/Mentioned: Used by Harry in Harry Potter and the Half-Blood Prince on Peeves and also on Argus Filch, to general applause.

Legilimens (Legilimency Spell)

See also Legilimency for more information

Pronunciation: Le-JIL-ih-mens (IPA: [lɛ.'dʒɪl.ɪ.ˌmɛnz])
Description: Allows the caster to delve into the mind of the victim, allowing the caster to see the memories, thoughts, and emotions of the victim.
Seen/Mentioned: Used by Professor Snape on Harry during Occlumency lessons in Harry Potter and the Order of the Phoenix. Also used non-verbally by Snape on Harry in Harry Potter and the Half-Blood Prince to allow him to see where Harry had learned the Sectumsempra spell.

Levicorpus

Pronunciation: levi-COR-pus (nonverbal) (IPA: [lɛvɪ.'kɔɹ.pɪs])
Description: The victim is dangled upside-down by their ankles, sometimes accompanied by a flash of light.[14]
Seen/Mentioned: It was originally shown to be a nonverbal-only spell, but it is whispered by Hermione in Harry Potter and the Deathly Hallows. Harry Potter learns it by reading the notes written by the Half-Blood Prince. He inadvertantly uses it on Ron in Harry Potter and the Half-Blood Prince. In Harry Potter and the Order of the Phoenix, Harry had seen (through the Pensieve) his father, James Potter, use the spell against Professor Snape.

Liberacorpus

Pronunciation: lib-er-ah-COR-pus (nonverbal) (IPA: [lɪˌb.ɛ.ɹæ.'kɔɹ.pɪs]
Description: The counterspell to Levicorpus.
Seen/Mentioned: Harry uses the spell in Harry Potter and the Half-Blood Prince to counteract the Levicorpus spell he inadvertently casts on Ron.
Suggested Etymology: Latin liberare, "to free", and corpus, "body". [3]

Locomotor...

Pronunciation: loh-koh-MOH-tor (IPA: /ˌlo.ko.ˈmo.tɚ̩/)
Description: The spell is always used with the name of a target, at which the wand is pointed (e.g. "Locomotor Trunk!"). The spell causes the named object to rise in the air and move around at the will of the caster.
Seen/Mentioned:Used by Nymphadora Tonks in Harry Potter and the Order of the Phoenix to move Harry's trunk from his room. Professor Flitwick similarly uses it to move Professor Trelawney's trunk after Professor Umbridge sacks her. Parvati Patil and Lavender Brown use this spell to race their pencil cases around the edges of the table. A variation seen in Harry Potter and the Deathly Hallows is Piertotum Locomotor, which animated the suits of armour in Hogwarts.

Locomotor Mortis (Leg-Locker Curse)

Pronunciation: loh-koh-MOH-tor MOR-tis (IPA: /ˌlo.ko.ˈmo.tɚ̩ ˈmo˞.tɪs/
Description: Locks the legs together, preventing the victim from moving the legs in any fashion.
Seen/Mentioned: Used by Draco Malfoy on Neville Longbottom in Harry Potter and the Philosopher's Stone. Used by Harry Potter on Draco Malfoy, who deflects it, in Harry Potter and the Half-Blood Prince.

Lumos

Pronunciation: LOO-mos (IPA: ['lu.məʊs])
Description: Creates a narrow beam of light that shines from the wand's tip, like a torch. [8]
Seen/Mentioned: Constantly throughout the series.
Suggested Etymology: Latin lumen, "light".[3][5]
Notes: The counterspell, Nox, extinguishes the light.

M

Meteolojinx Recanto

Pronunciation: mee-tee-OH-loh-jincks reh-CAN-toh.
Description: Causes weather effects caused by incantations to cease.
Seen/Mentioned: Suggested in Harry Potter and the Deathly Hallows by Arthur Weasley to Ron (disguised by the Polyjuice Potion as Reginald 'Reg' Cattermole from Magical Maintenance) as the best way to clear up the incessant rain in Yaxley's office at the Ministry of Magic.

Mobiliarbus

Pronunciation: MO-bil-ee-AR-bus (IPA: [məʊ.ˌbɪl.i.'aɹ.bɪs])
Description: Levitates and moves a tree.
Seen/Mentioned: In Harry Potter and the Prisoner of Azkaban, Hermione Granger uses the spell to move a Christmas Tree in The Three Broomsticks beside her table to hide Harry Potter, who was in Hogsmeade illegally.

Mobilicorpus

Pronunciation: MO-bil-ee-COR-pus (IPA: /mo.ˌbɪl.i.ˈko˞.pɪs/)
Description: Levitates and moves bodies.[8]
Seen/Mentioned: Sirius Black uses it on Severus Snape in Harry Potter and the Prisoner of Azkaban.

Morsmordre (Dark Mark)

Pronunciation: morz-MOR-druh or morz-MOHR-dray (IPA: /mo˞z.ˈmo˞.dɹʌ/ or /mo˞z.ˈmo˞.dɹe/)
Description: Conjures the Dark Mark.
Seen/Mentioned: Used by Barty Crouch Jr in Harry Potter and the Goblet of Fire. Also seen in Harry Potter and the Half-Blood Prince over the castle to lure Professor Dumbledore to his death. It was apparently invented by Lord Voldemort. According to Arthur Weasley, very few wizards know how to cast this spell.
Suggested Etymology: Latin mors, "death", and French mordre (from Latin mordere), "to bite."[5]

Muffliato

Pronunciation: muf-lee-AH-to (IPA: [mə.fli.'a.təʊ])
Description: Fills peoples' ears with an unidentifiable buzzing to keep them from hearing nearby conversations.[14]
Seen/Mentioned: It is used in Harry Potter and the Half-Blood Prince by Harry and Ron on various teachers and people such as Madam Pomfrey. It is also used in Harry Potter and the Deathly Hallows by Hermione Granger in protection of the campsite where Harry and her stayed in hiding.

N

Nox

Pronunciation: Noks (IPA: ['naks])
Description: Turns off the light produced by the Lumos spell.
Seen/Mentioned: In Harry Potter and the Prisoner of Azkaban, Harry and Hermione used this spell to turn off their wand-lights in the Shrieking Shack. Also used in Harry Potter and the Deathly Hallows when Harry was in the passage beneath the Whomping Willow which leads to the Shrieking Shack.

O

(Obliteration Charm)

Pronunciation: Unknown
Description: Removes things not wished to be seen again.
Seen/Mentioned: Used by Hermione Granger in Harry Potter and the Order of the Phoenix to remove the footprints that she, Harry, and Ron left in the snow. Also used in Harry Potter and the Deathly Hallows by Hermione Granger to remove the footprints she and Harry leave behind them in the snow as they journey through