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There are 134 eighteen-letter words containing H, O, S, T and X

acetoxycholesterolalkoxymethylidenesaminocyclohexitolsantibioprophylaxisbaritone␣saxophonesBhartrhari's␣paradoxbox␣and␣whisker␣plotsbox␣and␣whiskers␣plotcamphocarboxylateschenodeoxycholateschloroethoxyaminescommodity␣exchangescounterorthodoxiescyclomaltohexaosesdeoxytaurocholatesdesmethoxycurcumindesmethoxyyangonindesmethyltamoxifendextroamphetaminesdihydroxyanthronesdihydroxybenzoatesdimethylsulfoxidesdimethylsulphoxide dimethyl␣sulphoxideentorhinal␣cortexeseschscholtzxanthinethoxymethylidenesethylxanthogenatesexchanged␣contractsexchanges␣contractsexeleutherostomizeexoatmosphericallyexopolyphosphataseexponential␣growthsextended␣householdsextended␣phenotypesextrachromosomallyextrahepatosplenicextraphilosophicalextraphysiologicalfishing␣expeditionsfoxes␣in␣the␣henhouseglycodeoxycholatesgotten␣one's␣shine␣boxhad␣sexual␣relationshalohydroxylationshas␣sexual␣relationshave␣got␣someone's␣sixhemimaxillectomiesheptaoxodisilicatehexachloroiridateshexafluoroacetoneshexafluorosilicatehexagalacturonateshexakisoctahedronshexakistetrahedronhexametaphosphateshexaphosphorylatedhexosyltransferasehomogeneous␣mixturehydroalkoxylationshydroperoxidationshydroperoxylationshydrostatic␣paradoxhydroxyadamantaneshydroxyalkylationshydroxycarotenoidshydroxycholesterolhydroxyderivativeshydroxylbastnäsitehydroxymetaboliteshydroxyphosphonatehydroxystearic␣acidhydroxytryptamineshydroxytryptophanshypersexualisationhypersexualizationhyperthyroxinemiasichthyohaemotoxinsichthyosarcotoxinsichthyosarcotoxismLaxton␣and␣Moorhousemetalexicographersmethoxyeleutherinsmethoxytryptophansmethylcyclohexanesmethylpolysiloxanemint␣pars␣of␣exchangemitochondriotoxinsmonohydroxylationsMorris␣the␣Explainerneurosporaxanthinenonexhibitionisticnonheterosexualitynorthward␣equinoxesOriental␣Orthodoxesoxazolidinethionesoxygen␣catastrophesoxyhydroxysulfatesperoxodiphosphatesphosphohexomutasesphotic␣sneeze␣reflexphotoperoxidationspositional␣asphyxiapotassium␣hydroxideproofs␣by␣exhaustionpseudoexophthalmosruns␣for␣the␣exerciseSaxe-Coburg␣and␣Gothascimitar-horned␣oryxsee␣you␣next␣Thursdaysexual␣dichromatismshort␣exact␣sequencesoprano␣saxophonistsouthward␣equinoxessuck␣the␣oxygen␣out␣ofsulfamonomethoxinesympathoexcitationsympathoexcitatorytaurodeoxycholatestelephone␣exchangestetrakishexahedron tetrakis␣hexahedrontext␣door␣neighboursthought␣experimentsthromboprophylaxesthromboprophylaxistoxic␣shock␣syndrometrihexosylceramidetrihydroxybenzenestrihydroxystilbenewhisky␣tango␣foxtrotxanthoastrocytomasxerothermic␣periods

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 105 words
  • Spanish Wiktionary: 1 word
  • Italian Wiktionary: no word
  • German Wiktionary: 23 words
  • Portuguese Wiktionary: 3 words
  • Dutch Wiktionary: 4 words

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