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There are 115 twenty-one-letter words containing 2H, I, L, P, R and Y

alphamethyltryptaminealternative␣hypothesesalternative␣hypothesisautodephosphorylatingautodephosphorylationautophosphorylationalbaby␣elephant␣in␣the␣roombehavioural␣psychologybiphosphoglyceric␣acidbrachiocephalic␣arterychemolithotrophicallycholecystographicallycholecystolithotripsycholedocholithotripsydermatohistopathologydichlorophenoxyaceticdihydrosphingomyelinsdihydroxynaphthalenesdihydroxyphenylisatindimethylphenanthrenesdimethyl␣terephthalateechocardiographicallyelectrohysterographicglycerolphospholipidsglycerophosphocholineglycerophosphodiesterglycerophosphoric␣acidheteropolysaccharideshighly␣composite␣numberhighly␣sensitive␣personhigh␣probability␣tradeshistomorphometricallyhow␣do␣you␣spell␣this␣wordhydrazinophthalazineshydrodesulphurisationhydrodesulphurizationhydrogeomorphologicalhydrophosphinylationshydrophosphonylationshydroxyphenethylaminehypercatecholaminemiahypercholesterinaemiahypercholesterolaemiahypercholesterolaemichypercholesterolemiashypercholesterolemicshyperchylomicronaemiahyperhaemoglobinaemiahyperphenilalaninemiahyperphenylalaninemiahyperphenylalaninemichyperphosphorylationshyperthermoacidophilehysterosalpingographyichthyogeographicallyimmunohistomorphologyisopropylthioxanthoneKoolpinyah␣threadtailslymphangiographicallylymphoepitheliotropiclysophosphoglyceridesmethyldihydromorphinemicrolymphangiographyMonro-Kellie␣hypothesismorphophysiologicallynaphthylvinylpyridineneuropsychopathologicneuropsychophysiologyophthalmodynamometricorthophotographicallypharmacophylogenomicspharmacophysiologicalphenylalanylanhydridephenyldichloroarsinesphenyltrichlorosilanephosphatidylglyceridephosphatidylglycerolsphosphatidylthreoninephosphoribohydrolasesphotoelectrochemistryphotoelectrosynthesisphotoelectrosyntheticphotolithographicallyphotomicrographicallyphotophosphorylationsphotoplethysmographicphotothermoelasticityphysiopharmacologicalphysiotherapeuticallypoikilochlorophyllouspreestablished␣harmony pre-established␣harmonypseudophosphorylationpsychopharmaceuticalspsychopharmacologicalpsychopharmacologistspsychotherapeuticallyradiophotographicallyrhamnopolysaccharidesserdexmethylphenidatespondyloarthropathiesstrongylophthalmyiidstephrochronologicallyterephthaloyl␣chloridetheoretical␣physiciststransphosphorylationstrickle-down␣hypothesis trickle␣down␣hypothesistrifluoromethylphenyltrimethaphan␣camsylatetrimethylphenanthrenetriphenylchlorosilanetriphenylphosphoniumsultramicrophotographywhite-plumed␣honeyeater

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 48 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 13 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: no word

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