16 Letter Words Containing O
There are 1426 16-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.
1426 WORDS
abstemiousnesses20acanthocephalans28acclimatizations31accommodationist25accountabilities22accustomednesses23acetophenetidins24acknowledgements29adenocarcinomata23adenohypophyseal33adenohypophysial33adrenalectomized31advantageousness21aeroelasticities18allopolyploidies24alphabetizations32aluminosilicates20aminotransferase21amphibiousnesses25anesthesiologies20anesthesiologist20antagonistically22anthropocentrism25anthropomorphism30anthropomorphist28anthropomorphize37anthropopathisms28antiabortionists18antiaphrodisiacs24antiaristocratic20antiassimilation18anticarcinogenic23anticholinergics24anticolonialisms20anticolonialists18anticonglomerate21anticonservation21anticonventional21antievolutionary22antievolutionism21antievolutionist19antiferromagnets22antinationalists16antiorganization26antipornographic26antiprofiteering22antiprostitution18antirationalisms18antirationalists16antirecessionary21antireductionism21antireductionist19antiromanticisms22antistrophically26antitechnologies22antitotalitarian16antituberculosis20antiunemployment25apocryphalnesses28appendicectomies27archaeoastronomy26archaeologically27archconservative29archiepiscopally30archiepiscopates27aristocratically23arterioscleroses18arteriosclerosis18arteriosclerotic20assimilationisms20assimilationists18associationistic20astrophotographs27astrophotography30asymptomatically30atrioventricular21auspiciousnesses20authoritarianism21autobiographical26autocorrelations18autoimmunization29autointoxication25autopolyploidies24autoradiographic25autotransformers21autotransfusions19avariciousnesses21bathythermograph35benevolentnesses21biocompatibility29biodegradability26biodeterioration19bioelectricities22bioluminescences24biomathematician27biometeorologies21biostatisticians20biostratigraphic26biosynthetically29biotechnological26biotechnologists24blepharoplasties25bloodthirstiness22boisterousnesses18boneheadednesses23bottomlessnesses20bronchopneumonia27calorimetrically25cannibalizations29cantankerousness22capriciousnesses22carboxypeptidase35carcinomatosises22carcinosarcomata24cardiomyopathies29cartographically29cataphoretically28catastrophically28catheterizations30censoriousnesses18characterization32chemoautotrophic30chemoprophylaxes40chemoprophylaxis40chemotaxonomists32chemotherapeutic30chivalrousnesses24chloramphenicols30chlordiazepoxide41cholangiographic30cholecalciferols28cholecystokinins30chordamesodermal27choriocarcinomas27chromatographers29chromatographies29chromatographing30chromolithograph32chronobiological26chronobiologists24chronometrically28chymotrypsinogen32cinematographers26cinematographies26circuitousnesses20circularizations29circumambulation26circumnavigation26circumnavigators26circumscriptions26circumvallations25civilianizations30cladogenetically25climatologically26clitoridectomies23coadministration21codeterminations21collaborationism22collaborationist20collapsibilities22collectivization32colonizationists27colorblindnesses21colorimetrically25combustibilities24commensurability27commissionership27commodifications28commodiousnesses23commonsensically27communicableness26communitarianism24companionability27comparablenesses24compartmentalise24compartmentalize33compartmentation24compatiblenesses24compensabilities24complementations24comptrollerships27compulsivenesses25computerizations31conceivabilities25conclusivenesses23conditionalities19conductibilities23confessionalisms23confessionalists21confirmabilities25confrontationist21conjunctivitides31conjunctivitises30connoisseurships23consanguineously22consequentiality30conservationists21conservativeness24conservatorships26conspiratorially23constitutionally21constitutionless18constructionally23constructionists20constructiveness23contagiousnesses19containerisation18containerization27contemptibleness24contemptuousness22contiguousnesses19continuousnesses18contraindicating22contraindication21controversialism23controversialist21conventionalisms23conventionalists21conventionalized31conventionalizes30conversationally24convertibilities23conveyorizations33convincingnesses24convulsivenesses24coordinatenesses19copolymerization34coproprietorship27coquettishnesses30correspondencies23corruptibilities22cosmochemistries27cosmopolitanisms24counterarguments21counterattackers24counterattacking25counterbalancing23counterblockaded28counterblockades27countercampaigns25counterclockwise29countercomplaint24countercriticism24counterculturist20countercurrently23counterespionage21counterevidences24counterguerillas19counterguerrilla19counterincentive23counterinflation21counterinfluence23counterinstances20counterinsurgent19counterintuitive21counterirritants18countermovements25counteroffensive27counterpetitions20counterpicketing27counterpressures20counterproposals22counterquestions27counterreactions20counterreformers23counterresponses20countersignature19counterstatement20counterterrorism20counterterrorist18countertradition19counterviolences23counterweighting26courageousnesses19creditworthiness25criminalizations29criminologically26crossopterygians24cryopreservation26cryptozoologists33crystallizations30crystallographer27crystallographic29cumbersomenesses24curmudgeonliness22cyanocobalamines27cyanoethylations27cyclohexylamines38cyclophosphamide36cytophotometries28cytotechnologies27cytotechnologist27daguerreotypists23deacidifications25decalcifications26decarboxylations31decarburizations30decasualizations28decentralization28decertifications24declassification24deconcentrations21decontaminations21decorativenesses22deglamorizations29dehumidification28dehydrogenations25demagnetizations29demilitarization28demineralization28democratizations30demystifications27denaturalization26dendrochronology27denitrifications22denuclearization28dephosphorylated31dephosphorylates30deplorablenesses21depoliticization30depolymerization33depressurization28desacralizations28desensitizations26desertifications22desexualizations33dessertspoonfuls22dessertspoonsful22destabilizations28desulfurizations29detribalizations28deuterocanonical21devitrifications25diabolicalnesses21diagonalizations27diaphanousnesses22diastereoisomers19dichlorobenzenes33dichotomizations33differentiations23diffractometries27dihydroxyacetone36dimensionalities19diphthongization35directionalities19disarticulations19discombobulating26discombobulation25disconnectedness22disconsolateness19discontentedness20discontinuations19discountenancing22discourteousness19discriminational21discriminatorily24disequilibration28dishonorableness22disillusionments19disingenuousness18disintoxications26disjointednesses25disorderednesses19disorderlinesses18disorganizations27disproportionate21disproportioning22disputatiousness19disqualification31dissatisfactions22dissociabilities21distributorships24dithiocarbamates26diversifications25diverticulosises22dodecaphonically30dogmaticalnesses22dolichocephalies29echocardiography33ecophysiological29editorialization26effortlessnesses22electrifications23electroacoustics22electrochemistry28electrodeposited22electrohydraulic27electrolytically26electromagnetism23electromyographs29electromyography32electrooculogram23electropherogram26electrophilicity28electrophoresing24electrosurgeries19electrotherapies23electrothermally26electrotonically23emancipationists22embourgeoisement23enantiomorphisms25encephalitogenic26encephalopathies28encyclopedically31endarterectomies21endocrinological22endocrinologists20endopolyploidies25enforceabilities23enterochromaffin29enteropathogenic24environmentalism23environmentalist21epichlorohydrins30epiphenomenalism27epizootiological30erythroblastoses24erythroblastosis24eschatologically27etherealizations28ethnographically30ethnomethodology29euphoniousnesses21exceptionability32exceptionalities27excommunications31exemplifications32experimentations27expressionlessly28extemporaneities27extemporaneously30extemporisations27extemporizations36extensionalities23exteriorizations32externalisations23externalizations32exterritoriality26extrachromosomal32extracorporeally30extraneousnesses23extraterritorial23factitiousnesses21fallaciousnesses21familiarizations30fashionabilities24fastidiousnesses20fathomlessnesses24felicitousnesses21ferroelectricity26fictionalization30fictitiousnesses21fissionabilities21flagitiousnesses20flexographically37fluoroscopically28forebodingnesses23forehandednesses24foreseeabilities21forethoughtfully32formidablenesses24formularizations30forthrightnesses26fortuitousnesses19frenchifications29gastroenterology21gastroesophageal23gastrointestinal17gelatinousnesses17geochronological25geochronologists23geomorphological27geomorphologists25glossopharyngeal26glottochronology26gluttonousnesses17goitrogenicities20governmentalisms24governmentalists22governmentalized32governmentalizes31grandparenthoods24gratuitousnesses17gregariousnesses18groundlessnesses18gynandromorphies28gynandromorphism30harmoniousnesses21hemagglutination23hematoporphyrins31hemoglobinopathy32hepatopancreases25hepatotoxicities30hermaphroditisms29heterochromatins26heterokaryosises26heterozygosities32hexachlorethanes34hexachloroethane34
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