15 Letter Words Containing O
There are 2340 15-letter words containing O, listed alphabetically. Every entry is a valid play in Scrabble and Words With Friends, sorted so you can scan them quickly. Tap any word to open its definition, see exactly how many points it scores on each board, and discover the anagrams and shorter words hiding inside it.
2340 words
absorbabilities21abstractionisms21abstractionists19acanthocephalan27acclimatization30accommodatingly28accommodational24accomplishments28accountableness21accountantships24acculturational19acetophenetidin23achondroplasias23achondroplastic25acknowledgement28acknowledgments28acrimoniousness19adenocarcinomas22adenohypophyses32adenohypophysis32administrations18adrenalectomies20adventurousness19aerodynamically26aerodynamicists23aerosolizations24affordabilities24agranulocytoses21agranulocytosis21airworthinesses21algorithmically26alkalinizations28allegoricalness18allegorizations25allelomorphisms24allotetraploids18allotetraploidy21alphabetization31aluminosilicate19ambassadorships25ambiguousnesses20ambitiousnesses19aminopeptidases22ammonifications24amorphousnesses22amphidiploidies26anacoluthically25analogousnesses16ancylostomiases22ancylostomiasis22anfractuosities20anisotropically22ankylostomiases24ankylostomiasis24anomalousnesses17anonymousnesses20anthropocentric24anthropological23anthropologists21anthropometries22anthropomorphic29anthropopathism27anthropophagies26anthropophagous26anthroposophies25antiabortionist17antialcoholisms22antiaphrodisiac23anticarcinogens20anticholesterol20anticholinergic23anticolonialism19anticolonialist17anticompetitive24anticonvulsants20anticonvulsives23anticorruptions19antidepressions18antidevelopment23antieducational18antifashionable23antiferromagnet21antiforeclosure20antilogarithmic23antimetabolites19antimonarchical24antimonarchists22antimonopolists19antinationalist15antiobscenities19antipornography26antiprogressive21antirationalism17antirationalist15antirationality18antiromanticism21antisegregation17antishoplifting24antispeculation19antisubversions20antitheoretical20antitraditional16antituberculous19antivivisection23apocalyptically29apocalypticisms28apolipoproteins21approachability29appropriateness21archaeopteryxes32archeologically26archiepiscopate26ariboflavinoses23ariboflavinosis23aromatherapists22arrondissements18arteriographies21assiduousnesses16assimilationism19assimilationist17associationisms19associationists17associativities20astrobiologists18astronautically20astrophotograph26astrophysically28astrophysicists25atheroscleroses20atherosclerosis20atherosclerotic22atmospherically27atrabiliousness17atrociousnesses17audaciousnesses18authentications20authoritatively24autobiographers23autobiographies23autochthonously26autocorrelation17autographically26automatizations26autoradiographs22autoradiography25autosuggestions17autotetraploids18autotetraploidy21autotransformer20autotransfusion18autotrophically25axiomatisations24axiomatizations33azidothymidines34bacteriological22bacteriologists20bacteriophagies25barbarousnesses19basidiomycetous25bastardizations27beauteousnesses17beautifications22belongingnesses19benzodiazepines38bibliographical27bibliotherapies24bidirectionally23bioavailability25biodegradations20bioengineerings19biogeochemicals27biogeochemistry28biogeographical26bioluminescence23biomathematical26biomechanically29biostatistician19biostratigraphy26biosystematists22biotechnologies23biotechnologist23bipolarizations28bituminizations28blameworthiness25blasphemousness24blaxploitations26bloodguiltiness19bloodlessnesses18bougainvillaeas21bouleversements22boundlessnesses18bounteousnesses17bountifulnesses20bourgeoisifying25boustrophedonic25bowdlerizations30bronchodilators23bronchoscopists26brotherlinesses20bumptiousnesses21businesspersons19cannibalization28capaciousnesses21capitalizations28carcinogenicity25carcinosarcomas23cardiopulmonary25carnivorousness20categorizations27catheterization29centralizations26centrifugations21centrosymmetric26cephalothoraces27cephalothoraxes32cerebrovascular24ceremoniousness19chancellorships27channelizations29chemoautotrophy30chemoreceptions26chemotactically29chemotaxonomies31chemotaxonomist31chemotherapists27chloramphenicol29chlorothiazides33chlorpromazines33chlorpropamides27cholangiography30cholecalciferol27cholecystectomy32cholecystitides26cholecystitises25cholecystokinin29cholestyramines25cholinergically26cholinesterases20chondrocraniums25chordamesoderms26chorioallantoic22chorioallantois20choriocarcinoma26chromatographed29chromatographer28chromatographic30chronobiologies23chronobiologist23chronologically26chronotherapies25cinematographer25cinematographic27circularization28circumlocutions23circumnavigator25circumscription25circumspections25circumvallation24circumvolutions24civilianization29clamorousnesses19classifications22claustrophobias24cleistogamously23cloudlessnesses18coagulabilities20codetermination20codifiabilities23coeducationally23coenzymatically36coinvestigators21coldheartedness22collaboratively25collateralities17collateralizing27collectednesses20collenchymatous27colloquialities26colonizationist26colorfastnesses20colorlessnesses17combativenesses24combinatorially24comfortableness24commemoratively29commensurations21commercialising24commercialistic25commercialities23commercializing33commiseratingly25commissionaires21commodification27commonplaceness25communicability28communicational23communicatively29communistically26commutativities24comparabilities23comparativeness24compassionately24compassionating22compatibilities23compendiousness22competitiveness24complementaries23complementarily26complementarity26complementation23complementizers32complicatedness24complimentarily26compositionally24comprehensively30compressibility26comptrollership26computabilities23computationally24computerization30computerphobias28comradelinesses20conceitednesses20conceivableness24concelebrations21concentricities21conceptualising22conceptualistic23conceptualities21conceptualizers30conceptualizing31concertednesses20concertmeisters21concessionaires19concretizations28condescendences23condescendingly25conducivenesses23confectionaries22confectioneries22confessionalism22confessionalist20confidentiality24confidingnesses22configurational21confirmednesses23confraternities20confrontational20conglomerateurs20conglomerations20conglutinations18congratulations18congressionally21congresspersons20congruousnesses18conjugatenesses25conjugationally28conjunctionally29connaturalities17connectednesses20connoisseurship22consanguinities18conscientiously22consciousnesses19consecutiveness22consentaneously20consequentially29conservationist20conservatorship25considerateness18conspicuousness21constitutionals17constructionist19constructivisms24constructivists22consultantships22containerboards20contemplatively27contemporaneity24contemporaneous21contemptibility26contentednesses18contentiousness17contextualizing34contortionistic19contractibility24contractilities19contradictories20contradictorily23contraindicated21contraindicates20contrapositions19contrapositives22controllability22controllerships22controversially23conventionalism22conventionalist20conventionality23conventionalize29convertibleness22conveyorization32cooperationists19cooperativeness22corporealnesses19correspondences22correspondingly24corrigibilities20corrosivenesses20corticosteroids20corticosterones19corticotrophins24corynebacterial24corynebacterium26cosmopolitanism23cotransductions20coulometrically24councillorships24counterargument20counterassaults17counterattacked24counterattacker23counterbalanced22counterbalances21counterblockade26countercampaign24counterchanging24countercharging24counterchecking29counterclaiming22countercultural19countercultures19countercurrents19countercyclical26counterevidence23counterexamples28counterguerilla18counterinstance19counterirritant17countermarching25countermeasures19countermelodies20countermovement24counterordering19counterpetition19counterpicketed26counterplotting20counterpointing20counterpressure19counterprojects28counterproposal21counterprotests19counterpunchers24counterpunching25counterquestion26counterrallying21counterreaction19counterreformer22counterresponse19countershadings22counterstaining18counterstepping22counterstrategy21countertendency23counterviolence22counterweighted25courteousnesses17crashworthiness26credulousnesses18criminalization28crosslinguistic20crossopterygian23crotchetinesses22cryoprotectants24cryptorchidisms30cryptozoologies32cryptozoologist32crystallization29crystallography29customarinesses19cyanocobalamine26cyanocobalamins26cyanoethylating27cyanoethylation26cyclohexylamine37cyproheptadines28cytochemistries27cytogenetically26cytogeneticists23cytomegalovirus26cytophotometric29cytoplasmically29daguerreotypies22daguerreotyping23daguerreotypist22dangerousnesses17deacidification24decaffeinations24decalcification25decarboxylating31
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