20 Letter Words Containing O
There are 147 20-letter words containing O, listed alphabetically. Tap any word to see its definition, its score in Scrabble and Words With Friends, and the anagrams hiding inside it.
147 WORDS
acetylcholinesterase30adrenocorticosteroid26adrenocorticotrophic32adrenocorticotrophin30adrenocorticotropins27anthropocentricities29anthropomorphization41antiauthoritarianism25anticonservationists25antifluoridationists24bacteriochlorophylls37chemotherapeutically37chlorofluoromethanes33compartmentalization37comprehensiblenesses31contradistinguishing28conventionalizations34counterconditionings26counterdemonstrating26counterdemonstration25counterdemonstrators25counterintelligences25countermobilizations35counterrevolutionary28countersurveillances27countertransferences27crystallographically36cytodifferentiations32dehydrochlorinations33deindustrializations31deinstitutionalizing31deoxyribonucleotides36departmentalizations34dimethylnitrosamines31electrocardiographic33electroencephalogram32electroluminescences28electrooculographies30electrophotographies33electrophysiological33electrophysiologists31electroretinographic30encephalomyocarditis35expressionlessnesses29extemporaneousnesses31forethoughtfulnesses33glomerulonephritides29histocompatibilities31homotransplantations27hydrochlorothiazides45hypercholesterolemia35hypercholesterolemic37hypercoagulabilities33hyperconsciousnesses32hyperparathyroidisms39immunocytochemically41immunohistochemistry37immunoprecipitations30incommensurabilities28incomprehensibleness31inconsequentialities31inconsiderablenesses25institutionalization29intellectualizations31interconnectednesses25internationalization29interstratifications25irreconcilablenesses26irreproachablenesses29keratoconjunctivites38keratoconjunctivitis38lymphogranulomatoses33lymphogranulomatosis33magnetofluiddynamics35magnetohydrodynamics38microcrystallinities29microelectrophoreses31microelectrophoresis31microelectrophoretic33microminiaturization35micropaleontological29micropaleontologists27microphotometrically36mischaracterizations38neuroendocrinologies24neuroendocrinologist24neuropharmacological32neuropharmacologists30neurophysiologically34neuropsychiatrically35nondenominationalism25nondestructivenesses26noninstitutionalized30overdifferentiations30overenthusiastically31overintellectualized35overintellectualizes34overprotectivenesses30paleoanthropological30paleoanthropologists28paradichlorobenzenes39parathyroidectomized43phenylpropanolamines34phenylthiocarbamides38philoprogenitiveness31phosphatidylcholines39phosphoenolpyruvates38phosphofructokinases39phosphomonoesterases32photoautotrophically35photodisintegrations27photointerpretations27photophosphorylation38photoreconnaissances29plethysmographically41polyphiloprogenitive36professionalizations34pseudocholinesterase28pseudoparenchymatous35pseudosophistication30psychopathologically41psychopharmacologies40psychopharmacologist40radioimmunoassayable30radiopharmaceuticals32reconceptualizations35reindustrializations30reinstitutionalizing30representationalisms24representationalists22roentgenographically32semiautobiographical32spectrofluorometries29spectroheliographies33spectrophotometrical33superspecializations35syncategorematically33tetrahydrocannabinol31transformationalists25ultracentrifugations26ultramicroscopically33ultrarevolutionaries23ultrasegregationists22uncompromisingnesses29unconscionablenesses26underrepresentations23unsatisfactorinesses25
Containing O by length
2 letters 243 letters 2314 letters 10535 letters 25336 letters 47807 letters 79508 letters 114039 letters 1121910 letters 1017611 letters 858512 letters 696513 letters 519314 letters 357615 letters 234016 letters 142617 letters 88918 letters 48619 letters 28920 letters 14721 letters 5522 letters 2523 letters 1024 letters 9