According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 12 words with the pattern --T-P-O--. That is, nine letter words with 3rd letter T and 5th letter P and 7th letter O. In alphabetical order, they are:
antiphons
antiphony
autophoby
autophony
cataphora
ectoproct
entoproct
metaphors
mothproof
octaploid
octoploid
optophone
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --TTR-P-. That is, eight letter words with 3rd letter T and 4th letter T and 5th letter R and 7th letter P. In alphabetical order, they are:
rattraps
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ----P-OTO. That is, nine letter words with 5th letter P and 7th letter O and 8th letter T and 9th letter O. In alphabetical order, they are:
telephoto
wirephoto
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern ----OPT-R. That is, nine letter words with 5th letter O and 6th letter P and 7th letter T and 9th letter R. In alphabetical order, they are:
chiropter
coleopter
orthopter
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 --I--J--. That is, eight letter words with 3rd letter I and 6th letter J. In alphabetical order, they are: stickjaw
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
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 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 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 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 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 -AAT----. That is, eight letter words with 2nd letter A and 3rd letter A and 4th letter T. In alphabetical order, they are: caatinga