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There are 571 twenty-letter words containing O, P, S, T and Y

(page 4)

polyglyphanodontianspolyhydroxybutyratespolymorpholeukocytespolyopisthocotyleanspolyphosphoinositidepolyradiculoneuritispolysaccharopeptidespolytetrahydrofuransPopoviciu's␣inequalitypositive␣polarity␣itempostaxial␣polydactylypostbiosyntheticallypostconstitutionallyposterior␣probabilitypostinterventionallypostranscriptionallypostsecondary␣schoolsposttransductionallypostzygadiapophysealpostzygodiapophysealpour␣honey␣into␣one's␣earpoverty␣of␣the␣stimuluspredatory␣conferencespremenstrual␣syndrome pre-menstrual␣syndromeprimary␣school␣studentprimitive␣polynomialsprobability␣densitiesprocarboxypeptidasesprosecuting␣attorneysprosperity␣theologiesproteophosphoglycansprothonotary␣warblersprotochlorophyllidesproxy␣representativespseudodifferentiallypseudoerythrocytosispseudohypersensitivepseudointellectuallypseudoparenchymatosepseudoparenchymatouspseudophosphorylatedpseudoscientificallypseudouridinylationspsychiatric␣hospitalspsychodermatologicalpsychodermatologistspsychodiagnosticallypsychogerontologicalpsychogerontologistspsycholinguisticallypsychological␣autopsypsychological␣momentspsychopathologicallypsychopharmaceuticalpsychopharmacologistpsychotraumatizationpsychotraumatologistpterygopalatine␣fossaputty␣in␣someone's␣handspyrophosphorylationsPythagorean␣trianglesradical␣prostatectomyradio␣cassette␣playersradioteletypewritersrepresentation␣theoryrespiratory␣therapistrheoplethysmographicright␣up␣someone's␣alleysalpingo-oophorectomySapir-Whorf␣hypothesissays␣the␣quiet␣part␣loudSchinzel's␣hypothesis␣Hschlieren␣photographySchönhardt␣polyhedronscinticisternographyseasonal␣unemploymentsecondary␣hypothermiasecond␣impact␣syndromeShipton-under-Wychwoodshuttlecock␣diplomacyshut␣up␣and␣take␣my␣moneysialoglycoproteomicssimulation␣hypothesissinapoyltransferasessocial␣responsibilitysociotherapeuticallysodium␣lauryl␣sulphatesophrolaeliocattleyaSouthern␣lady's␣slipperspecial␣unitary␣groupsspectrophotometriclyspectropotentiometryspiny␣softshell␣turtlesplenopancreatectomyspondylarthropathiesspondyloarthropathicspondylotherapeuticssport␣utility␣vehiclesspotless␣grass␣yellowsSprague-Grundy␣theoremstand␣upon␣one's␣dignitystereocinematography stereo-cinematography stereo␣cinematographystereoheterotopicitystereophotogrammetrystereospondylomorphssticky␣toffee␣puddingsstrongylophthalmyiidsuck␣up␣all␣the␣oxygen␣insulfamethoxypyrazinesulphamethoxydiazinesulphuretted␣hydrogensuperextraordinarilysuperiority␣complexessupermanoeuvrabilitysupersymmetrizationssupport␣ticket␣systemssupratrochlear␣arterysymmetric␣polynomialssympathetic␣vibrationsynaptoarchitecturessynchronisation␣proxysynchronization␣proxysyncytiotrophoblastssynergohymenotrophicsyngenesiotransplantTaeniopteryx␣nebulosa

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 358 words
  • Spanish Wiktionary: 4 words
  • Italian Wiktionary: no word
  • German Wiktionary: 28 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 34 words

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