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There are 65 eighteen-letter words containing A, B, O, S, T, U and Y

absofreakinglutely abso-freaking-lutelyabsolutely␣summableantithyroglobulinsapocalyptic␣numbersautosuggestibilitybicycle␣roundaboutsbinary␣distributionbiopsychospiritualblue-eyed␣cormorantsboundary␣conditionsbranny␣desquamationBurkitt's␣lymphomatabusy␣beaver␣functionbutterfly␣keyboardsCauchy␣distributionclaustrophobicallycomputable␣analysisConception␣Bay␣Southcopy-number␣variantscryptobasidiaceousCyrus–Beck␣algorithmdeconstructabilitydeoxyribonucleatesdiscombobulatinglyground␣ball␣with␣eyesincommensurabilityintramembraneouslykeyboard␣instrumentlatitudes␣by␣accountlinalyl␣isobutyratemealybug␣destroyersmilitary␣abductionsMoreton␣Bay␣chestnutmost␣valuable␣playermother␣and␣baby␣unitsnonbasidiomycetouspreparatory␣subjectprobability␣measureproofs␣by␣exhaustionpseudoheritabilityreconstitutabilityreconstructabilityrobs␣Peter␣to␣pay␣PaulSabbath-day's␣journeySanta␣Barbara␣Countysaskatoon␣blueberrySiberian␣rubythroatsix␣bob␣a␣day␣touristssomnambulisticallysubcompositionallysublogarithmicallysubtropical␣cyclonesummability␣methodssupraorbital␣arterytakes␣a␣ride␣to␣TyburnThrowback␣Thursdaystransubstantiatorytrypanosusceptibleultrabiomicroscopyuncommensurabilityunphosphorylatablevestibulolinguallyvicarious␣liabilityWilliamsburg␣County

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 40 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 3 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 5 words

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