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There are 417 eighteen-letter words containing A, D, E, I, R, S and Y

(page 3)

overidealisticallypachycephalosauridpachypleurosauridspaddyfield␣warblersPaisley␣Undergroundpalaeobiodiversitypalaeohydrologistspalaeozygopleuridsparalytic␣dementiasparapodiapophysealParkinson's␣syndromeperitoneal␣dialysispermanent␣residencyphenylboronic␣acidsphosphatidylserinephosphoribosylatedphosphorocyanidatephosphorylceramidephyletic␣gradualismphylobetadiversityphysician␣extendersPiccadilly␣butchersplastohydroquinoneplayed␣it␣pear-shapedplay␣one's␣cards␣rightplays␣one's␣hand␣rightplenary␣indulgencespostpericardiotomypotassium␣hydroxidepredispositionallyprobability␣densityprotocycloceratidsprotodesilylationsprotoplanetary␣discprotoplanetary␣diskpseudoheritabilitypseudohyperkalemiapseudohyponatremiapseudoparaphylliumpseudouridylationspsychodermatologicpyrimidodiazepinespyrophosphoramidesQuadragesima␣Sundayquasithermodynamicquaternary␣industryradiation␣chemistryradioimmunoassayedradiosynovectomiesRainy␣River␣Districtreductionisticallyrefreshable␣displayresolution␣advisoryreticulated␣pythonsrhamnosylglucosiderhamnosylglycosiderumination␣syndromerusty␣sheriff's␣badgeSandmeyer␣reactionssandplay␣therapistsSanfilippo␣syndromesaturated␣fatty␣acidscansoriopterygidsscimitar-horned␣oryxsecondary␣diagonalssecondary␣drowningssecondary␣educationsecondary␣emissionssecondary␣infectionsecondary␣intentionsecondary␣liabilitysecondary␣phosphinesecondary␣predationseismocardiographysell␣one's␣life␣dearlysensitivity␣readersserodiagnosticallysialyldisaccharideskinny␣drink␣of␣watersleeping␣dictionarysmall␣penis␣syndromesmokestack␣industrysolitary␣sandpipersspiny-tailed␣lizardssplendid␣fairywrensspondylarthritidesspondyloperipheralspondylotherapistsstakeholder␣societystandard␣of␣identitystanding␣on␣ceremonysticky␣bead␣argumentSt␣Totteringham's␣Daystuffed␣like␣a␣turkeysulfinic␣anhydridessulfonic␣anhydridessulphinic␣anhydridesulphonic␣anhydridesummary␣proceedingssuperadiabaticallysuperextraordinarysympathetic␣powderssympathoadrenergicsyringohydromyeliatakes␣a␣ride␣to␣Tyburntardive␣dyskinesiastertiary␣industriestetrahydrocortisolthermodynamic␣statethiophosphorylatedthree-dimensionallyThunder␣Bay␣Districttight␣pants␣syndrometransendotheliallytranshydrogenation trans-hydrogenationtrihexosylceramidetrimethylsilylatedunderglycolysationunderglycosylationundersecretaryshipValentino's␣syndromevery␣special␣episodevideolaryngoscopes video␣laryngoscopesvideolaryngoscopicvolcanosedimentarywave␣the␣bloody␣shirtwhite␣carbohydratesxylopolysaccharideyellow␣lady's␣slipperyellow␣nail␣syndrome

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 464 words
  • Spanish Wiktionary: 5 words
  • Italian Wiktionary: no word
  • German Wiktionary: 50 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 23 words

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