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There are 141 eighteen-letter words containing O, P, 2S and 2U

acardiacus␣amorphusalphabaculovirusesanonymous␣sculptureauriculotherapistsautomorphism␣groupsBatson␣venous␣plexusbrush-tailed␣possumsburden␣of␣persuasioncapsuloligamentouscast␣up␣one's␣accountsChukotski␣Peninsulacompulsory␣purchasecounterpunishmentsdesupersaturationsdispute␣resolutionsEsopus␣Spitzenburgseustreptospondylusflying␣saucer␣groupsfuture␣progressivesglomerular␣capsuleshanging␣up␣one's␣spurshyposulphurous␣acidimmunosupernatantsimmunosuppressantsimmunosuppressionsimmunosuppressivesinclusion␣compoundsiron-sulfur␣proteinsiron-sulphur␣clusterjumps␣to␣conclusionskeeps␣one's␣mouth␣shutlabium␣superius␣orislumpenbourgeoisiesmedium␣spiny␣neuronsminisupercomputersnonsuperconductorsnonsupernaturaliston-base␣plus␣sluggingorthopneumovirusesouter␣automorphismsoverscrupulousnesspachypleurosauridsperiodic␣structuresphilosophunculistsphosphoglucomutasephotosubstitutionspilosebaceous␣unitspneumomediastinumspoor␣as␣a␣church␣mousePortuguese␣Sheepdogpoststructuralismspoststructuralistspotassium␣gluconatepotassium␣guanylatepot␣scrubber␣brushesproscenium␣curtainsProto-South␣Sulawesipseudoenthusiasticpseudofluorescencepseudofolliculitispseudoguaianolidespseudoheterozygouspseudoinstructionspseudojournalisticpseudoleukocytosispseudomenstruationpseudoneuropterouspseudoobstructionspseudotransductionpseudotuberculosispseudouridylationspseudozygopleuridspulling␣one's␣socks␣uppulling␣up␣one's␣sockspull␣out␣all␣the␣stopspull␣someone's␣plumespushdown␣automatonspustulocrustaceousput␣out␣of␣one's␣miseryput␣someone's␣pipe␣output␣through␣its␣pacesreligious␣pluralismresumptive␣pronounsRuffini's␣corpusclesRusso-European␣Laikasalbutamol␣sulphatescrew␣up␣one's␣couragesculptured␣tortoisesecurity␣proceduresshoving␣it␣up␣your␣asssimsun␣permutationssodiumthiosulphate sodium␣thiosulphatesolubility␣productssourtop␣blueberriesSoutheastern␣Europespurious␣diphthongsspurious␣infectionsstabilizer␣subgroupsubcontemporaneoussubpoena␣duces␣tecumsubstitution␣ciphersudoriparous␣glandssulpharsenious␣acidsulphotungstic␣acidsupercolumniationssupercommunicatorssuperconsciousness super-consciousnesssupercounterfluidssuperdistributionssuperferociousnesssuperfluorescencessuper␣greenhouse␣gassuperhero␣insurancesuperinstantaneous super-instantaneoussuperior␣colliculussupermicrosurgicalsuperminicomputerssuperturbochargerssupervacaneousnesssupervaluationistssupposititiousnesssupraconsciousnesssupramicrosurgicalsurgical␣proceduresSussex␣pond␣puddingstalipes␣equinovarusturbosuperchargersturn-ups␣for␣the␣books turn␣ups␣for␣the␣booksTuscan␣porterhousesundersubscriptionsundisputatiousnessunpresumptuousnessviviparous␣eelpoutswoolly␣mouse␣opossum

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 351 words
  • Spanish Wiktionary: 2 words
  • Italian Wiktionary: 1 word
  • German Wiktionary: 63 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 22 words

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