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There are 600 eighteen-letter words containing D, E, I, O, T and Y

(page 4)

polyendocrinopathypolyfunctionalisedpolyfunctionalizedpolyhomonucleotidepolyribonucleotidepostdepositionallypostpericardiotomypotassium␣hydroxidepredecarboxylationpredispositionallypreoligodendrocytePrince␣Edward␣Countyprobability␣densityprobationary␣periodproprietary␣tradingpropylketobemidoneprosperity␣doctrineprotocycloceratidsprotodesilylationsprotoplanetary␣discprotoplanetary␣diskpseudoanaphylacticpseudoetymologicalpseudogynecomastiapseudoheritabilitypseudohypertensionpseudohypertrophicpseudohyponatremiapseudoleukocytosispseudometaphysicalpseudomythologicalpseudopolycythemiapseudopsychopathicpseudosynaesthesiapseudouridylationspsychodermatologicpsychopathologizedpyroelectrodynamicquantum␣field␣theoryquasithermodynamicradiation␣chemistryradiation␣pyrometerradiculomyelopathyradiculoneuropathyradiculoplexopathyradioimmunotherapyradiometallographyradiometeorographyradiosynovectomiesrectosigmoidectomyrectosigmoidoscopyRed␣Queen␣hypothesisreductionisticallyrepeated␣bodily␣harmreproductive␣systemresolution␣advisoryreticulated␣pythonsretrocycloadditionrides␣the␣cotton␣ponyround-trip␣delay␣timerumination␣syndromesafety-deposit␣boxesSandmeyer␣reactionsscansoriopterygidsscheduled␣territorySchnitzler␣syndromescimitar-horned␣oryxsecondary␣educationsecondary␣infectionsecondary␣intentionsecondary␣liabilitysecondary␣predationsecurity␣proceduressedimentologicallyserodiagnosticallysialoglycopeptidessialylglycopeptideskinny␣drink␣of␣watersleeping␣dictionarysmokestack␣industrysodicanthophyllitesodium␣hypochloritesolitary␣sandpipersSouthwick␣and␣Widleyspondylarthritidesspondylotherapistsstakeholder␣societystandard␣of␣identitystanding␣on␣ceremonystand␣on␣one's␣dignitysticky␣shed␣syndromestrongylocentrotidSt␣Totteringham's␣Daystylohyoid␣ligamentsulfametoxydiazinesulfoglycopeptidessummability␣methodsSunnyside-Tahoe␣Citysuperextraordinarysympathetic␣powderssympathoadrenergicsynthetic␣divisionstaken␣a␣ride␣to␣Tyburntakes␣a␣ride␣to␣Tyburntelephone␣directorytenoepiphysiodesistetrahydridoboratetetrahydrochloridetetrahydrocortisoltetrahydropyridinetetrahydrotriazinetetraiodothyroninetetrapalmitoylatedtetrathiomolybdatethalassochelydiansthermoconductivitythermodynamic␣statethermohydrodynamicthermoinducibilitythermoradiotherapythiocarbohydrazidethiophosphorylatedthree-dimensionallythyrohyoid␣membranetight␣pants␣syndrometime␣and␣motion␣studytoxic␣shock␣syndrometransendotheliallytranshydrogenation trans-hydrogenationtriazolopyrimidinetrichlorodiphenylstrideoxynucleotidetrifluorothymidinetrihexosylceramidetrihydroxybenzenestrihydroxybenzoatetrihydroxystilbenetwenty-five␣cent␣worduncharted␣territoryundenominationallyundercarboxylationunderglycolysationunderglycosylationunderhydroxylation

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 411 words
  • Spanish Wiktionary: 3 words
  • Italian Wiktionary: no word
  • German Wiktionary: 60 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 24 words

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