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There are 56 twenty-letter words containing F, I, O, S, U and Y

alpine␣butterfly␣knotsbefore␣you␣can␣say␣knifedehydrofluorinationsdiffusiophoreticallydifluoromethylationsdisulfonylimidazolesdysfunctionalizationend-of-history␣illusionflamboyant␣cuttlefishfluoroisothiocyanatefluorophenylalaninesfourth-party␣logisticsfrequency␣modulationsgold␣is␣where␣you␣find␣itheterosubspecificityhydrodesulfurisationhydrodesulfurizationhydrofluosilicic␣acidinaequihymeniiferousIndus␣Valley␣bullfrogsJefferson␣Davis␣Countymesoeucrocodyliformsmethylumbelliferonesmicrofracture␣surgerymillimeters␣of␣mercurymillimetres␣of␣mercurymyxofibrosarcomatousnitrosylsulfuric␣acidoil␣of␣lemon␣eucalyptusout-of-body␣experiencesOut␣of␣India␣hypothesispentafluoropyridinesperfluoroalkylationspoverty␣of␣the␣stimuluspseudodifferentiallypseudoscientificallyRepublic␣of␣Seychellessodiumdodecylsulfate sodium␣dodecyl␣sulfatesolution␣of␣continuitySouth␣American␣gray␣foxSouth␣American␣grey␣foxspiny␣softshell␣turtlesticky␣toffee␣puddingssulfachlorpyridazinesulfamethoxypyrazinetransfructosylationstrifluoroethylaminestwenty-five-thousanderunemployment␣benefitsuniversity␣professorswhat␣was␣your␣first␣cluewindows␣of␣opportunityWythoff␣constructionsyou␣have␣beautiful␣eyesyouthful␣indiscretion

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 28 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 2 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 5 words

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