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There are 474 eighteen-letter words containing E, 2I, O, R, S and Y

(page 3)

nonthienopyridinesnontransferabilitynot␣in␣a␣million␣yearsoff␣like␣a␣dirty␣shirtOlympic␣Winter␣GamesOppression␣Olympicsordinary␣resolutionoveridealisticallyoveroptimisticallyoverpsychologizingoversentimentalityoversimplisticallyoversusceptibilitypalaeobiochemistrypalaeobiodiversityparsimony␣principlepepsinhydrochloricperitoneal␣dialysispharyngealizationspharyngointestinalphenylboronic␣acidsphilosophers␣by␣firephosphatidylserinephotoreversibilityphycoerythrobilinsphylobetadiversityphysiobiochemistryphysiogeographicalpiezopsychrophilicpiperonylonitrilespiriformis␣syndromepolicy␣interest␣ratepolyacrylonitrilespolydispersibilitypolydispersivitiespolyesterificationpolymerizabilitiespolymerogenicitiespolymolecularitiesPolynesian␣Trianglepolyvinylchlorides polyvinyl␣chloridespositive␣neutralitypostpericardiotomypostpolymerizationpotassium␣hydroxideprecompositionallyprecrystallizationpredispositionallyPresidency␣divisionpresuppositionallypresynchronizationprimary␣legislationprobability␣densityprobability␣measurepropionylpromasineproposition␣playerspropriosensitivityprosecution␣historyprosperity␣doctrineprotodesilylationsproximoposteriorlypseudoheritabilitypseudouridylationspseudoxyrhophiinespsychogeriatricianpsychrosensitivitypyridylsulfoximinepyrimidodiazepinesquasithermodynamicradiation␣chemistryradioimmunoassayedradiosynovectomiesreconstitutabilityreconstructabilityreconstructibilityrecrystallisationsrecrystallizationsrectosigmoidectomyrectosigmoidoscopyreductionisticallyregistration␣countyresolution␣advisoryrespiratory␣pigmentrestriction␣enzymesresyllabificationsresynchronisationsresynchronizationsreticulocytopeniasretransformabilityrumination␣syndromesalpingovariectomySanfilippo␣syndromescansoriopterygidsscimitar-horned␣oryxsecondary␣emissionssecondary␣infectionsecondary␣intentionsecondary␣liabilityseismocardiographysemibiographicallysemiconservativelysemiprofessionallysemisymmetrizationserodiagnosticallysialoglycoproteinssialylglycoproteinSiberian␣rubythroatsick␣office␣syndromesignature␣authorityskinny␣drink␣of␣watersleeping␣dictionarysocioendocrinologysodium␣borohydridessodium␣hypochloritesolitary␣sandpipersspondylarthritidesstandard␣of␣identitystationary␣bicyclesstereoisomericallystereospecificallystinking␣corpse␣lilystoichiometricallystyrylisothiazolessuccinylproteomicssulfonic␣anhydridessulphonic␣anhydridesuperagonisticallysupercontractivitysuperiority␣complexsuperoleophobicitysuperphysiologicalsuperpositionalitysuperstoichiometrysymbolic␣expressionsymmetric␣functionssynchronized␣diverssynchronized␣divingsyringohydromyeliatake␣responsibilitytertiary␣phosphinestheoretical␣physicsthermophysiologiesthermoresponsivitythree-dimensionallythrombocytopoiesisTorne␣Valley␣Finnish

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 623 words
  • Spanish Wiktionary: 2 words
  • Italian Wiktionary: no word
  • German Wiktionary: 44 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 15 words

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