Can you tell me all the palindromes you know?

Answer 1

• Adinida - a suborder of planktonic organisms
• deified - past tense of "to deify", meaning to consider as a god
• Hagigah
• murdrum - in old English law, a secret killing
• Nauruan - the language spoken in Nauru
• peeweep - a type of bird, often understood to be a lapwing
• racecar - a racing car
• reifier - someone who reifies (considers an abstract concept to be real)
• repaper - to cover again with paper
• reviver - someone or something that revives or restores
• rotator - a thing that rotates
• seities - plural of seity, the essence of an individual
• sememes - plural of sememe, the interpretation given to a morpheme (a language unit)
• Senones - an ancient people who lived in part of what is now France
• SIXAXIS - the name of the official PlayStation 3controller
• soosoos - plural of soosoo, a type of dolphin
• Tacocat - a signature card from The Oatmeal's Exploding Kittens card game
• Zerorez - Registered trademark for a carpet cleaning system (from Zero residue)

Six letters

• degged - past tense of to deg, meaning to water a plant
• denned - past tense of to den, meaning to live in a den
• hallah - a variant of challah, a type of bread traditionally eaten by Jews
• Hannah - a female given name
• mallam - in West Africa, a learned man
• marram - a type of grass
• pip-pip - an old-fashioned British word for good-bye
• pull-up or pullup - an exercise in which one pulls oneself up by the arms
• redder - more red
• renner - an archaic variant of runner
• revver - someone or something that revs (an engine)
• selles - plural of selle, an archaic word for a saddle
• sesses - plural or third-person present tense of sess, an archaic word for tax (a variant of assess)
• succus - any of various liquids excreted by animals or plants
• terret - a metal ring on a harness, through which the reins pass
• tirrit - according to Webster's Dictionary (1913): "A word from the vocabulary of Mrs. Quickly, the hostess in Shakespeare's Henry IV., probably meaning terror"
• tut-tut - a disapproving sound; to make such a sound

Five letters

• alala - a type of Hawaiian crow
• alula - a structure forming part of a bird's wing
• arara - a type of Australian cockatoo; also a Brazilian macaw
• civic - relating to a city
• debed - to remove someone from a bed
• deked - past tense of "to deke", meaning to deceive (especially in Ice Hockey)
• deled - past tense of "to dele", meaning to delete (a passage of text)
• dered - past tense of "to dere", an archaic word meaning to harm
• dewed - past tense of "to dew", meaning to cover with dew
• dexed - past tense of "to dex", meaning to drink robotussin
• Hamah - variant of Hama, a city in Syria
• Igigi - a class of Sumerian gods
• irori - traditional Japanese sunken fireplace
• kaiak - variant of kayak
• Kanak - a native of New Caledonia; also, short for Kanakaole i.e. Hawaiian surname
• kayak - a light Inuit canoe
• Kazak - a member of a people inhabiting the central Asian republic of Kazakhstan; their language
• kelek - a type of raft used in the Middle East
• level - various common meanings
• Liril - a cosmetic soap popular in India
• madam - a polite form of address for a woman
• minim - a musical note having half the duration of a full note
• neven - "To name; to mention; to utter. [Obs.]" (definition from Webster's Dictionary, 1913)
• put-up - deceitful, as in a put-up job
• radar - a method of detecting objects using radio waves (acronym from Radio Detection And Ranging, so it's self-defining too - i. e., the word "bounces back" like a radar signal)
• refer - various common meanings
• rotor - something that rotates
• sagas - plural of saga, a long narrative story
• semes - plural of seme, a linguistic element
• seres - plural of sere, a series of stages of ecological development
• sexes - plural of sex
• shahs - plural of shah, a former name for the king of Iran
• Sinis - variant of siris (q.v.)
• siris - a type of tree; (with cap.) a figure in Greek mythology
• solos - plural of solo
• stats - contraction of statistics
• stets - third-person present tense of "to stet", meaning to indicate that a passage of text should remain unchanged
• stots - third-person present tense of "to stot", meaning to leap or bounce
• sulus - plural of sulu, a type of sarong
• Susus - plural of Susu, a member of a West African people
• tenet - a belief or principle
• Wakaw - A town and a lake in Saskatchewan, Canada.
• Xanax - Pfizer's trade name for alprazolam, a benzodiazepene used to treat panic disorder (severe anxiety and panic attacks).

Four letters

• adda - a type of lizard
• Adda - a river in Italy; a river in Wales
• affa - "A weight used on the Guinea coast, equal to an ounce" (definition from Webster's Dictionary, 1828)
• anna - an Indian coin
• Anna - a girl's name
• Beeb - an informal name for the BBC
• boob - a blunder; a breast
• deed - various common meanings
• esse - existence or essence
• goog - an egg (Australian slang)
• immi - a Swiss unit of volume
• keek - to peep
• kook - a crazy person
• ma'am - a contraction of madam
• naan - a type of Indian bread
• noon - midday
• oppo - see [7]
• otto - variant of attar, an essential oil
• Otto - a proper name
• peep - various common meanings
• poop - a raised deck at the stern of a ship; various other meanings
• sees - third-person present tense of 'to see'
• toot - the sound made by a horn or whistle

Three letters

• aba - a fabric woven of the hair of camels or goats
• aga - title for a civil or military leader, especially in Turkey
• aha - used to express surprise, pleasure or triumph
• ala - a wing or winglike structure or part
• ama - a housemaid, especially a wet nurse, in India and the Far East
• ana - a collection of various materials that reflect the character of a person or place, e.g. "early 1900's Americana"
• Ara - a star constellation; a genus of macaws
• ava - a species of Macropiper (M. methysticum), the long pepper, from the root of which an intoxicating beverage is made by the Polynesians
• Ava - a girl's name
• awa - away (Official Scrabble Players Dictionary)
• bib - a piece of cloth or plastic secured under the chin and worn, especially by small children, to protect the clothing while eating
• bob - to float on the surface of water
• Bob - shortened form of Robert, a boy's name
• bub - used as a term of familiar address, especially for a man or boy ('See you around, bub.')
• dad - father
• did - past tense of the verb "do"
• dud - something that doesn't work or succeed
• eke - to obtain by great effort
• eme - a distinctive unit of linguistic structure
• ere - before (archaic or poetic)
• eve - the period immediately preceding a certain event
• Eve - a girl's name
• ewe - a female sheep (ovine)
• eye - the usual organ of sight
• gag - something forced into or put over the mouth to prevent speaking or crying out; the act or an instance of gagging or choking
• gig - a music event; also, a light two-wheeled carriage
• gog - roof, covering
• hah - a variation of "Ha!"
• heh - used to express contempt; part of a snigger ("heh-heh")
• huh - used to express interrogation, surprise, contempt or indifference
• mem - the 13th letter of the Hebrew and Arabic alphabets
• mim - demure
• mom - mother (American)
• mum - mother (British); a reference to silence (usually with "keep"; British)
• nan - a variation of "nanny"
• non - a prefix meaning "not" or "against"
• nun - a female clergyman who practices celibacy; the 14th letter of the Hebrew and Arabic alphabets
• oho - used to express surprise, comprehension, or mock astonishment
• omo - prefix; shoulder: omohyoid; also, a brand of washing powder sometimes used as the generic term for all washing powder
• ono - "grief or strength or iniquity of him" (Easton's 1897 Bible Dictionary)
• oxo - oxime
• pap - a food made with warm milk and crumbled bread
• pep - energy and high spirits
• pip - a seed; also, to get the better of
• pop - a cola; also, to burst
• pup - the young of any of various mammals
• sis - shortened form of "sister"
• sos - plural of "so", the fifth tone of the diatonic scale in music
• tat - tattoo
• tet - the ninth letter of the Hebrew alphabet
• tit - a small bird (British); a breast (slang)
• tot - a small child; a small quantity of liquid
• tut - used to express annoyance, impatience or mild reproof ("Tut, tut, child!")
• vav - the sixth letter of the Hebrew alphabet
• waw - the sixth letter of the Arabic alphabet
• wow - used to express amazement
• yay - used to express happiness/delight
• zuz - a Palestinian coin
• zzz - the sound of snoring

Answer 2

Sure! Some examples of palindromes are "radar," "level," "deified," "madam," and "racecar."