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There are 168 twenty-one-letter words containing H, K and 2O

alkyldihydroxyacetonealkylhydroperoxidasesAx-Grothendieck␣theoremback␣to␣the␣drawing␣boardbetter␣the␣devil␣you␣knowblack-hooded␣antshrikesblack␣over␣Bill's␣mother'sblack-throated␣accentorblack␣top-hat␣transformsBlack␣Turtle␣of␣the␣Northbreakfasts␣of␣championsbreaking␣someone's␣heartchicken-or-egg␣questions chicken␣or␣egg␣questionschondroskeletogenesischronopharmacokineticclinging␣to␣the␣skirts␣ofclothes␣don't␣make␣the␣mancomes␣out␣of␣the␣woodworkcreatine␣phosphokinasecrooked␣as␣a␣dog's␣hind␣legdaggertooth␣pike␣congerdark␣as␣the␣inside␣of␣a␣cowDethick,␣Lea␣and␣Hollowaydig␣one's␣grave␣with␣a␣forkdiketospirilloxanthindown␣to␣the␣short␣strokesdo␣you␣know␣what␣I'm␣sayingdropped␣like␣a␣hot␣potatodropping␣like␣a␣hot␣brickdumber␣than␣a␣box␣of␣rocksEast␣Riding␣of␣YorkshireEdgeworth-Kuiper␣objectelectroshock␣therapiesemerald␣cockroach␣waspsenough␣to␣make␣a␣cat␣laugherrors␣of␣the␣second␣kinderythroleukemogenesiserythromegakaryocyticfingers␣in␣the␣cookie␣jarfought␣like␣cats␣and␣dogsgeeking␣someone's␣head␣upget␣it␣through␣one's␣skullget␣on␣like␣a␣house␣on␣firegets␣one's␣shorts␣in␣a␣knotglobal␣workspace␣theorygolden␣wonder␣killifishgot␣on␣like␣a␣house␣on␣firegravitational␣keyholesGuianan␣cocks-of-the-rockhad␣another␣think␣cominghad␣been␣around␣the␣blockhas␣another␣think␣cominghas␣been␣around␣the␣blockhaving␣one's␣ducks␣in␣a␣rowhemihexakisoctahedronhemlock␣woolly␣adelgidshistory␣of␣the␣four␣kingsichthyoplanktologicalichthyoplanktologistsI␣know␣you␣are␣but␣what␣am␣I I␣know␣you␣are,␣but␣what␣am␣Iinfinite␣monkey␣theoremkeep␣one's␣head␣on␣a␣swivelkeep␣one's␣stick␣on␣the␣icekeeps␣one's␣eye␣on␣the␣ballkeeps␣someone␣in␣the␣loopkeeps␣the␣show␣on␣the␣roadKenai␣Peninsula␣Boroughkept␣it␣on␣the␣barber␣polekick␣the␣can␣down␣the␣roadkinetofragminophoransKirkton␣of␣Auchterhousekleptochloroplastidicknight␣of␣the␣green␣clothknocked␣into␣a␣cocked␣hatknocking␣on␣heaven's␣doorknock␣the␣daylight␣out␣ofknock␣the␣stuffing␣out␣ofKöhlmeier-Degos␣diseaseKoolpinyah␣threadtailsKoyraboro␣Senni␣SonghaiKutta-Joukowski␣theoremleukoencephalomalacialeukoencephalopathiesleukoerythroblastosislike␣a␣bowl␣in␣a␣china␣shoplike␣a␣bulldog␣with␣a␣bonelike␣a␣cat␣on␣a␣hot␣tin␣rooflike␣a␣hen␣on␣a␣hot␣griddlelike␣a␣martin␣to␣his␣gourdlike␣shit␣through␣a␣gooselike␣there␣is␣no␣tomorrowlooked␣on␣the␣bright␣sidelook␣like␣a␣bomb␣has␣hit␣itlovely␣weather␣for␣ducks

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 16 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 129 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 95 words

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