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There are 355 twenty-letter words containing 2I, 2O, S and Y

(page 3)

plays␣it␣close␣to␣the␣hippoly(ADP-ribosyl)ationspolyaminosaccharidespolybranchiaspiformspolyclonal␣antibodiespolydimethylsiloxanepolyendocrinopathiespolyphosphoinositidepolyradiculoneuritispolysialogangliosidePopoviciu's␣inequalitypositive␣polarity␣itempostbiosyntheticallypostconstitutionallyposterior␣probabilitypostinterventionallypostranscriptionallyprimary␣myelofibrosesprimary␣myelofibrosisprimitive␣polynomialsprinciple␣of␣parsimonyprosperity␣theologiespseudouridinylationspsychodiagnosticallypsychological␣pricingpsychosociologicallypsychotraumatizationpyrazinoisoquinolineradioimmunoassayableradioimmunochemistryreticulohistiocytomarotational␣symmetriesSapir-Whorf␣hypothesisscimitar-horned␣oryxessea-blue␣histiocytosissecondary␣legislationsecond␣cosmic␣velocitysialoglycoproteomicssimulation␣hypothesissocial␣responsibilitysociodemographicallysociopsychologicallysociotherapeuticallysolitary␣confinementssolution␣of␣continuitystand␣upon␣one's␣dignitystatutory␣authoritiesstereoheterotopicitystrongylophthalmyiidSturm-Liouville␣theorystylomastoid␣foraminasuperiority␣complexessupraphysiologicallyswallow␣the␣dictionarysymmetric␣polynomialssymplesiomorphicallysynchronisation␣proxysynchronization␣gearssynchronization␣proxysynchrotron␣radiationtetrahydroimidazolestetrahydroquinolinestetrazolopyrimidinestheories␣of␣relativitythioglucopyranosidesthiophosphorylationstoday␣is␣a␣good␣day␣to␣dietolyltrichlorosilanetoo␣many␣balls␣in␣the␣airtribopolymerizationstrichothiodystrophictrifluoroethylaminestriphenylphosphoniumtwo-way␣communicationsultramicroscopicallyuniversal␣opportunityuniversity␣professorsureterosigmoidostomyustilaginomycotinousvasoepididymostomiesvideonystagmographicvinyl␣composition␣tilewaving␣the␣bloody␣shirtwindows␣of␣opportunityxylooligosaccharidesyanking␣someone's␣chainyinpterochiropteransyou␣smelt␣it,␣you␣dealt␣ityouthful␣indiscretionZhegalkin␣polynomialszygomaticotemporalis

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 260 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 12 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 11 words

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