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There are 73 twenty-one-letter words containing 3I, O, P, S and Y

allopolyploidisationsallopolyploidizationsankylosing␣spondylitisarginylaminopeptidase arginyl␣aminopeptidaseaspirational␣recyclingatypical␣antipsychoticautopolyploidizationsbiphosphoglyceric␣acidCalifornia-style␣pizzascommand␣responsibilitycriminal␣psychologistsdefinitions␣by␣pointingdiabetic␣embryopathiesdihydrosphingomyelinsdihydroxyphenylisatindiisopropylethylaminediisopropyltryptaminediphosphatidylcholinediscretionary␣spendingdisjoint␣union␣topologydomestic␣policy␣councildonor-specific␣antibodyendopolyploidizationsepidemic␣polyarthritisetiopathophysiologiesetiopathophysiologistexternopyramidisationfibroepithelial␣polypsfield␣emission␣displaysflexible␣sigmoidoscopyforwards␣compatibilityglycosphingolipidosisglycosylsphingolipidsgyroscopic␣stabilizershighly␣sensitive␣personhigh␣probability␣tradesHis␣Majesty's␣Oppositionhyperfibrinogenolysishyperlipoproteinemiashyperpolarizabilitiesidiopathic␣hypersomniaimprovisational␣comedyinclusion␣polymorphismlow-density␣lipoproteinlysoglycosphingolipidnitrosylsulphuric␣acidobsessive-compulsivityophiocordycipitaceousoxyiminocephalosporinparacoccidiodomycosisperhydroisoquinolinesphosphatidylinositidephosphatidylinositolsphysicomathematicianspolyphosphoinositidespolysialogangliosidespolysynthetic␣twinningpositive␣polarity␣itemspossibility␣of␣reverterprobability␣amplitudespsychological␣injuriespyrotechnic␣initiatorsreciprocity␣principlessilane-modified␣polymerspecific␣gravity␣bottlesympathetic␣vibrationstelevision␣personalitytetrahydropyrimidinestheoretical␣physiciststrichothiodystrophiestrypanosusceptibilityvinyl␣composition␣tiles

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 58 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 3 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 3 words

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