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There are 188 twenty-one-letter words containing 2H, 3O and S

alcohol␣flush␣reactionsanthropomorphisationsanthropomorphizationsarcheological␣horizonsatherothromboembolismautodephosphorylatingautodephosphorylationautohistoradiographicautophosphorylationalbacteriopheophorbidesbarothermohygrographsbehavioural␣psychologyblotch␣on␣the␣escutcheonbromodichloromethanesbronchoesophagoscopic broncho-esophagoscopicbroncho-oesophagoscopychenodesoxycholic␣acidchitooligosaccharidescholecystolithotripsycholedochojejunostomycholedocholithotomiescholedocholithotripsycholesterohydrothoraxcompact␣neighbourhoodscompliments␣of␣the␣housecontinental␣philosophycytohistopathologicaldermatohistopathologydibromochloromethanesdihydrodesoxymorphinedo␣bears␣shit␣in␣the␣woodsDonaldson-Thomas␣theorydon't␣shoot␣the␣messengerdown␣to␣the␣short␣strokesEastern␣Orthodox␣Churchectophosphodiesteraseelectrophosphorescenterythrophagolysosomalerythrophagolysosomesesophagoesophagostomyetiopathophysiologiesetiopathophysiologistgive␣someone␣the␣heave-hoglycerolphospholipidsglycerophosphocholineglycerophosphodiesterglycerophosphoglucoseglycerophosphoric␣acidglycerophosphorylatedglycophosphoinositolsgoes␣all␣round␣the␣housesgone␣all␣round␣the␣housesgo␣to␣the␣ends␣of␣the␣earthgo␣to␣the␣ends␣of␣the␣worldhaberdasher␣of␣pronounsHarrod-Johnson␣diagramsHashimoto's␣thyroiditisheliosynchronous␣orbithemangioendotheliomasheterochromatizationsheterooligosaccharideheterophenomenologieshexachloroantimonateshexachlorofluoresceinhistomorphometricallyhistoricogeographicalhistoriophilosophicalhistory␣of␣the␣four␣kingshitch␣one's␣wagon␣to␣a␣starHouston,␣we␣have␣a␣problemhow␣do␣you␣spell␣this␣wordhydrophosphinylationshydrophosphonylationshydroureteronephroseshydroureteronephrosishyperphosphorylationsichthyoallyeinotoxismichthyoplanktologistsicosihemidodecahedronimmunohistomorphologyimmunohistopathologicimmunopathophysiologyimmunophysiopathologyinositolphosphoglycaninositolphospholipidsisopropylthioxanthonekeeps␣the␣show␣on␣the␣roadKirkton␣of␣Auchterhouselike␣shit␣through␣a␣gooselooked␣on␣the␣bright␣sidelook␣like␣a␣bomb␣has␣hit␣itLord␣High␣CommissionerslysophosphoglyceridesmethylisothiazolinonemonobromonaphthalenesmonophosphohistidinesmonophosphonucleosideMonro-Kellie␣hypothesismorphophysiologicallyneurohistopathologistneuroophthalmologists neuro-ophthalmologistsneuropsychopathologicneuropsychophysiologynonphotosyntheticallyNorth␣Northamptonshirenucleophosphoproteinsone's␣heart␣in␣one's␣throatone␣who␣hesitates␣is␣lostophthalmodynamometersoropharyngoesophagealorthographic␣neighborsorthorhombic␣pyroxenesout␣of␣the␣mouths␣of␣babespathological␣histologypharmacophylogenomicspharmacophysiologicalpharyngoesophagectomypharyngoesophagoscope

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 110 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 32 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 8 words

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