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There are 75 eighteen-letter words containing K, O, P, T and U

alphaketoglutarateantileukoproteasesask␣me␣one␣about␣sportausktribosphenidanauto␣transport␣truckavoid␣like␣the␣plaguebark␣up␣the␣wrong␣treeblack-capped␣tinamoubuckshorn␣plantains buck's␣horn␣plantainsBurkitt's␣lymphomatachucked␣up␣the␣spongeChukotski␣Peninsulacrypts␣of␣Lieberhndevil's␣picture␣booksdouble␣besom␣pocketserythroleukoplakiafold␣like␣a␣cheap␣suitgreenhouse␣cockpitsGrothendieck␣groupsHE-double-toothpickskeeps␣one's␣mouth␣shutkept␣one's␣own␣counselketophenylbutazoneKingston␣upon␣ThamesleukencephalopathyMaksutov␣telescopesMissouri␣toothpicksmutton-chop␣whiskersNorthumberland␣Parknuclear-pulse␣rocketout␣of␣one's␣own␣pocketout-paramour␣the␣Turkpassed␣under␣the␣yokepasses␣under␣the␣yokepeacock␣butterfliespeptidoleukotrieneperfluoroalkanoateperfluoroalkylatedphytoplanktivorouspick␣up␣the␣threads␣ofpied␣crested␣cuckoosPlücker␣coordinatespoke␣someone's␣eye␣outpositive␣lookaroundproducer-only␣marketpseudoleukocytosisPuretic␣power␣blocksputs␣lipstick␣on␣a␣pigput␣the␣clock␣forwardRappahannock␣CountyRepublic␣of␣Kiribatiroll␣up␣the␣sidewalkssit␣up␣and␣take␣noticeSoke␣of␣Peterboroughspotted␣nutcrackerstake␣a␣walkout␣powdertaken␣it␣upon␣oneselftakes␣it␣upon␣oneselftake␣someone␣up␣shorttake␣up␣the␣cudgel␣fortalk-aloud␣protocols talk␣aloud␣protocolsthink-aloud␣protocol think␣aloud␣protocolthree␣skips␣of␣a␣lousetricks␣up␣one's␣sleeveturned␣into␣a␣pumpkinturn-ups␣for␣the␣books turn␣ups␣for␣the␣booksultraphytoplanktonunchecked␣exceptionup␣for␣the␣downstrokewreck␣of␣the␣Hesperusyou␣couldn't␣make␣it␣up

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 13 words
  • Spanish Wiktionary: 1 word
  • Italian Wiktionary: no word
  • German Wiktionary: 228 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 89 words

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