According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 215 words with the pattern --CH----. That is, eight letter words with 3rd letter C and 4th letter H. In alphabetical order, they are:
alchemic
alcheras
anchored
anchoret
anchusas
anchusin
archaeal
archaean
archaeon
archaeus
archaise
archaism
archaist
archaize
archduke
archfoes
archines
archings
archival
archived
archives
archlets
archlute
archness
archways
archwise
atchieve
bachchas
bachelor
bechalks
bechamel
bechance
becharms
bichrome
cachalot
cachepot
cacheted
cachexia
cachexic
cacholot
cachucha
cichlids
cichloid
cochairs
cochleae
cochlear
cochleas
dichasia
dichords
dichotic
dichroic
dichting
dochmiac
dochmius
duchesse
enchafed
enchafes
enchains
enchants
encharge
encharms
enchased
enchaser
enchases
encheers
enchoric
eschalot
escheats
eschewal
eschewed
eschewer
etchants
etchings
eucharis
euchring
exchange
excheats
fechters
fechting
fuchsias
fuchsine
fuchsins
fuchsite
hachured
hachures
hechting
inchased
inchases
inchmeal
inchoate
inchpins
inchworm
ischemia
ischemic
ischuria
itchiest
itchings
itchweed
kachahri
kacheris
kachinas
lacheses
lechaims
lechayim
lechered
lichanos
lichened
lichenin
lichgate
lichtest
lichting
lichwake
lichways
lychgate
machairs
machetes
machined
machines
machismo
machoism
machrees
machzors
mechanic
mechitza
michings
mochells
mochiest
mochilas
muchacho
muchells
muchness
nichered
orchards
orchella
orcheses
orchesis
orchilla
orchises
orchitic
orchitis
pachadom
pachalic
pachinko
pachisis
pachouli
pachucos
pichurim
pochards
pochette
pochoirs
pschents
racheted
rachides
rachilla
rachises
rachitic
rachitis
rechange
recharge
recharts
rechates
recheats
rechecks
rechewed
rechoose
rechosen
richened
richesse
richness
richtest
richting
richweed
ruchings
sachemic
sacheted
sichting
suchlike
suchness
suchwise
tachinid
tachisme
tachisms
tachiste
tachists
tachyons
techiest
technics
tichiest
tochered
tychisms
unchains
unchairs
unchancy
uncharge
uncharms
unchaste
unchecks
unchewed
unchicly
unchilds
unchoked
unchokes
unchosen
unchurch
upcheers
upchucks
vacherin
yachters
yachties
yachting
yachtman
yachtmen
zuchetta
zuchetto
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-A--A--. That is, eight letter words with 1st letter I and 3rd letter A and 6th letter A. In alphabetical order, they are: inaurate
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --QA----. That is, eight letter words with 3rd letter Q and 4th letter A. In alphabetical order, they are: muqaddam
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --I--J--. That is, eight letter words with 3rd letter I and 6th letter J. In alphabetical order, they are: stickjaw
Some 8 letter words with U as the 3rd letter:AbundantAdulteryAluminumAquanautAquariumAquaticsAquatintAqueductAquifersAquilineBaulkingBlubbersBlubberyBludgeonBluebellBluebirdBluffingBlundersBluntestBluntingBlurrierBlurringBlurtingBlushingBouffantBouillonBouldersBouncersBouncierBouncilyBouncingBoundaryBoundingBountiesBouquetsBourbonsBoutiqueBruisingBrunchedBrunchesBrunetteBrushingBrushoffBrutallyCauldronCaulkingCausallyCausewayCautiousChubbierChuckledChucklesChuggingChummierChummilyChunkierChurchesChurningClubbingClubroomCluckingCluelessClumpierClumpingClumsierClumsilyClustersClutchedClutchesCluttersCoughingCouncilsCounselsCountersCountessCountiesCountingCoupletsCouplingCouriersCourtesyCourtingCrucifixCruelestCruisersCruisingCrumbledCrumblesCrumpledCrumplesCrunchedCrunchesCrusaderCrusadesCrushingCrustierDaughterDauntingDiureticDoublingDoubtersDoubtfulDoubtingDoughierDoughnutDrudgingDrummersDrummingDrunkardDrunkest
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According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -IF---I-. That is, eight letter words with 2nd letter I and 3rd letter F and 7th letter I. In alphabetical order, they are: rifampin
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -AA-I---. That is, eight letter words with 2nd letter A and 3rd letter A and 5th letter I. In alphabetical order, they are: baalisms caatinga
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern --IA---A. That is, eight letter words with 3rd letter I and 4th letter A and 8th letter A. In alphabetical order, they are: sciatica zoiatria
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --I--Q--. That is, eight letter words with 3rd letter I and 6th letter Q. In alphabetical order, they are: clinique critique qaimaqam
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --VY----. That is, eight letter words with 3rd letter V and 4th letter Y. In alphabetical order, they are: envyings
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --Q---I-. That is, eight letter words with 3rd letter Q and 7th letter I. In alphabetical order, they are: aequorin daquiris taqueria
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --A---CI. That is, eight letter words with 3rd letter A and 7th letter C and 8th letter I. In alphabetical order, they are: uranisci