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There are 79 eighteen-letter words containing I, 2P, S, 2T and U

absorption␣spectrumacute-phase␣proteinsantipopulationistsapparent␣magnitudesappeals␣to␣authorityathletic␣supportersbuttoning␣up␣one's␣lipcapital␣punishmentsconstruction␣paperscounteroppositionscounterpropositioncreeping␣buttercupsdietary␣supplementsheptapseudopeptideHittorf's␣phosphorusimmunoprecipitantsimmunoprecipitatesindustrial␣propertyinput-output␣sectioninspect␣the␣plumbinginstrument␣approachkeep␣it␣simple,␣stupidlumpenproletariatsmultiperspectivitymultiple␣dispatchesmultispectroscopicopportunity␣classesOrtsgruppenleiterspanhypopituitarismParticular␣Baptistsperceptualizationsphosphodestructionphotoconceptualismphotoconceptualistphotoencapsulationphoto␣opportunitiesphotoperturbationsphotoreproductionsphytoplanktivorouspick␣up␣the␣threads␣ofpneumotherapeuticspolitical␣spectrumspopping␣the␣questionpopulation␣geneticspop-up␣advertisementpostconceptualistspostmultiplicationpræantepenultimaspremultiplicationspretermitted␣spousePrince␣Rupert's␣metalPrince␣Rupert's␣tearspseudodiphtheriticpseudopterostigmaspsychotherapeuticspsychotherapeutistputs␣lipstick␣on␣a␣pigput␣someone's␣pipe␣output␣through␣its␣pacesresupplementationssculptured␣paintingSmurfette␣principlespiked␣a␣temperaturespikes␣a␣temperaturesubpostmastershipssubspecific␣epithetsupercomputationalsuperintendentshipsuperparticularitysuperpositionalitysupersophisticatedsupposititiousnesstrypanosusceptibletryptophylquinonesturpentine␣of␣CyprusUmklapp␣scatteringsuntil␣the␣pips␣squeakviolent␣presumptionWhatsApp␣University

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 108 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: 1 word
  • German Wiktionary: 34 words
  • Portuguese Wiktionary: 4 words
  • Dutch Wiktionary: 24 words

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