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There are 948 eighteen-letter words containing E, I, 2O, R and Y

(page 6)

psychogeographicalpsychoneurologicalpsychoneurologistspsychoneuroticallypulmonary␣embolismsput␣out␣of␣one's␣miserypyelonephritogenicpyrazolopyrimidinepyroelectrodynamicpyrophosphokinasespyrophosphoramidespyrrolidinophenoneradiation␣pyrometerradiculomyelopathyradiculoneuropathyradiculoplexopathyradioimmunoassayedradioimmunotherapyradiometallographyradiometeorographyradiosynovectomiesreality␣pornographyrectosigmoidectomyrectosigmoidoscopyregistration␣countyrelational␣antonymsrenohistopathologyrephosphorylationsresolution␣advisoryrestoration␣ecologyresynchronisationsresynchronizationsreticulocytopeniasretinohypothalamicretinovasculopathyretrocycloadditionretrophylogenomicsrhamnosylglucosiderhamnosylglycosiderhinolaryngoscopesrides␣the␣cotton␣ponyRocky␣Mountain␣feverroentgenologicallyrosebay␣willowherbsrotational␣symmetryRoyal␣Leamington␣Sparumination␣syndromesalpingovariectomySanfilippo␣syndromescansoriopterygidsscimitar-horned␣oryxsecondary␣diagonalssecondary␣drowningssecondary␣educationsecondary␣emissionssecondary␣infectionsecondary␣intentionsecondary␣phosphinesecondary␣predationseismocardiographysemicolon␣butterflysemiprofessionallyserodiagnosticallyservant␣out␣of␣liverysialoglycopolymerssialoglycoproteasesialoglycoproteinssialoglycoproteomesialylglycopolymersialylglycoproteinsick␣office␣syndromeSir␣Roger␣de␣CoverleySir␣Roger␣of␣Coverleysocioendocrinologysodium␣borohydridessodium␣hypochloritesouthern␣yellow␣pinespectrocolorimetryspectrofluorimetryspectroheliographyspectropolarimetryspirocycloheptanesspirocyclopentanesspirocyclopropanesspondyloperipheralspondylotherapistsstakeholder␣societystanding␣on␣ceremonystatutory␣exclusionstephanoberyciformstereoisomericallystew␣in␣one's␣own␣gravystock␣ticker␣symbolsstoichiometricallystorage␣hypervisorsstrongylocentrotidstrontiopyrochlorestyrylisothiazolessubtropical␣cyclonesuccinylproteomicssuffer␣by␣comparisonsuperiority␣complexsuperoleophobicitysuperphysiologicalsuperpositionalitysuperstoichiometrysurface␣etymologiessuspension␣syndromesymbolic␣expressionsympathoexcitatorysymplectomorphismssynchronized␣clockssyringohydromyeliatautomorphemicallyTaylor-White␣processtelephone␣directorytemporozygomaticaltetrahydridoboratetetrahydrochloridetetrahydrocortisoltetraiodothyroninetetrathiomolybdatetheory␣of␣everythingtheory␣of␣relativitythermoacoustimetrythermoconductivitythermohydrodynamicthermophoreticallythermophysiologiesthermoradiotherapythermoresponsivitythiocarbohydrazidethiophosphorylatedthiopyrophosphatesthrombocytogenesisthrombocytokineticthrombocytopaeniasthrombocytopathiesthrombocytopoiesisthrombocytopoieticthyrohyoid␣membranethyrotropic␣hormoneTommy␣John␣surgeriestonsillopharyngealTooley␣Street␣tailorToonerville␣Trolley

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 622 words
  • Spanish Wiktionary: 4 words
  • Italian Wiktionary: no word
  • German Wiktionary: 49 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 27 words

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