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There are 1096 eighteen-letter words containing E, P, S and Y

(page 7)

secondary␣predationsecurity␣principalssecurity␣proceduresseismocardiographysemiapologeticallysemibiographicallysemiprofessionallysemirespectabilityserendipity␣berriesShaughnessy␣playoffsialoglycopeptidessialoglycopolymerssialoglycoproteasesialoglycoproteinssialoglycoproteomesialylglycopeptidesialylglycopolymersialylglycoproteinsimple␣connectivitysince␣Skippy␣was␣a␣pupsingle-parent␣familysingle-ply␣membranessingle-speed␣bicyclesleeping␣dictionarysling␣psychrometerssmall␣penis␣syndromesocial␣psychologiessodicanthophyllitesodium␣hypochloritesoftware␣deploymentsolitary␣sandpiperssouthern␣yellow␣pinespace-cadet␣keyboardspectrocolorimetryspectrofluorimetryspectrofluorometryspectrographicallyspectroheliographyspectromorphometryspectrophotographyspectropolarimetryspherostomatocytesspinal␣butterfly␣rayspinycheek␣sleepersspiny-tailed␣lizardsspirocycloheptanesspirocyclopentanesspirocyclopropanessplendid␣fairywrenssplenohepatomegalyspondylarthritidesspondyloepiphysealspondylomyelopathyspondyloperipheralspondylotherapistsspotted␣flycatchersstannary␣parliamentsteak␣and␣kidney␣piesSteeple␣with␣Tynehamsteganographicallystephanoberyciformstereospecificallystereotypographersstinking␣corpse␣lilystorage␣hypervisorsstrontiopyrochloresubpsychotomimeticsubtherapeuticallysubtropical␣cyclonesuccinylproteomicssuffer␣by␣comparisonsulfoglycopeptidessulphinic␣anhydridesulphonic␣anhydridesulphonylhydrazonesummary␣proceedingssuperadiabaticallysuperagonisticallysupercontractivitysuperexponentiallysuperextraordinarysuperheavy␣elementssuper-heavy␣frigatessuper␣high␣frequencysuperintegrabilitysuperiority␣complexsupernumeraryshipssuperoleophobicitysuperparticularitysuperphenomenalitysuperphysiologicalsuperpositionalitysuperstoichiometrysupersubstantiallysupersuperlatively super-superlativelysupersymmetricallysupplementary␣anglesupplementary␣planesupraorbital␣arterySurekill␣Expresswaysuspension␣syndromesuspensory␣ligamentSwiss␣Army␣penknivessycamore␣maple␣treessymbolic␣expressionsympatheticolyticssympathetic␣powderssympathetic␣stringssympathicomimeticssympathoadrenergicsympathoexcitationsympathoexcitatorysymphony␣orchestrassymplectic␣matricessymplectomorphismssynapticulothecatesynaptodendrosomalsynaptodendrosomessynaptosoneurosomeSyrian␣Arab␣Republicsystems␣programmerssystems␣programmingtake␣responsibilityTaylor-White␣processtenoepiphysiodesistensores␣tympanorumtephrostratigraphytertiary␣phosphinestetracyanocupratestetrahydropyrrolestetranary␣compoundstetraphenylboratestheoretical␣physicsthermokeratoplastythermophysiologiesthermoresponsivitythiophosphorylatedthiopyrophosphatesthorn-apple␣crystalsthoughts␣and␣prayersthrombelastographythrombocytopaeniasthrombocytopathiesthrombocytopoiesisthromboprophylaxes

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 1258 words
  • Spanish Wiktionary: 9 words
  • Italian Wiktionary: no word
  • German Wiktionary: 130 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 84 words

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