10-Letter Words Starting With O
over 500 words
Browse all over 500 valid 10-letter Scrabble words that begin with the letter O. Each word shows its Scrabble point value — click any word to open it in WordScout.
oafishness16oasthouses13obbligatos15obduracies15obdurately16obediences15obediently16obeisances14obeisantly15obfuscated18obfuscates17obituaries12obituarist12objections21objectives24objectless21objurgated21objurgates20oblateness12obligately16obligating14obligation13obligators13obligatory16obligingly17obliterate12obnubilate14obscurants14obsecrated15obsecrates14obsequious21observable17observably20observance17observants15obsessions12obsessives15obsolesced15obsolesces14obsoletely15obsoleting13obstetrics14obstructed15obstructor14obstruents12obtainable14obtainment14obtrusions12obtundents13obturating13obturation12obturators12obtuseness12obtusities12obversions15obviations15occasional14occasioned15occidental15occipitals16occlusions14occlusives17occultisms16occultists14occupation16occurrence16occurrents14oceanarium14oceanfront15oceangoing14oceanology16ochlocracy22ochlocrats17octachords18octahedral16octahedron16octameters14octarchies17octillions12octonaries12octoploids15octopodans15octothorps17ocularists12oculomotor14odalisques20oddsmakers18odiousness11odometries13oecologies13oenologies11oenophiles15oesophagus16oestrogens11offensives19officering19officially21officiants18officiated19officiates18officinals18offishness19offloading18offprinted19offsetting17offsprings19oftentimes15oilinesses10oinologies11oldfangled16oleaginous11olecranons12oleographs16oleoresins10olfactions15oligarchic18oligoclase13oligogenes12oligomeric15oligophagy20oligopsony16olivaceous15olivenites13olivinitic15ololiuquis19ommatidial15ommatidium17omnibusses14omnificent17omnipotent14omniranges13omniscient14omnivorous15omophagias18omophagies18oncologies13oncologist13onionskins14onomastics14onslaughts14ontogenies11ontologies11ontologist11oozinesses19opacifiers17opacifying21opalescent14opalescing15opaqueness21openhanded17opennesses12operagoers13operagoing14operations12operatives15operculars14operculate14operculums16operettist12ophiolites15ophiuroids16ophthalmia20ophthalmic22oppilating15opposeless14oppositely17opposition14oppressing15oppression14oppressive17oppressors14opprobrium18opsonified16opsonifies15opsonizing22optatively18optimality17optimising15optimistic16optimizers23optimizing24optionally15optometers14optometric16opulencies14oracularly15orangeades12orangeries11orangewood15orangutans11oratorical12oratresses10orbiculate14orchardist16orchestral15orchestras15orchidlike20orchitises15ordainment13ordinances13ordinarier11ordinaries11ordinarily14ordination11ordonnance13organelles11organicism15organicist13organicity16organisers11organising12organismal13organismic15organizers20organizing21organology15organosols11organzines20orientally13orientated11orientates10orienteers10oriflammes17originally14originated12originates11originator11orismology16ornamental12ornamented13ornateness10orneriness10ornithines13ornithopod16ornithoses13ornithosis13orogeneses11orogenesis11orogenetic13orographic18orologists11oropharynx25orotundity14orphanages16orphanhood19orphically20orrisroots10orthoclase15orthodoxes21orthodoxly24orthoepies15orthoepist15orthogonal14orthograde15orthopedic18orthoptera15orthopters15orthotists13oscillated13oscillates12oscillator12oscitances14osculating13osculation12osculatory15osmeterium14osmiridium15osmolality15osmolarity15osmometers14osmometric16osmundines13ossifrages14osteitides11ostensible12ostensibly15ostensoria10osteoblast12osteoclast12osteocytes15osteogenic13osteopaths15osteopathy18osteosises10osteotomes12ostracised13ostracises12ostracisms14ostracized22ostracizes21ostracodes13otherguess14otherwhere19otherwhile19otherworld17otioseness10otiosities10otologists11otoscopies14oubliettes12outachieve18outarguing12outbackers18outbalance14outbargain13outbarking17outbawling16outbeaming15outbegging15outbidders14outbidding15outbitched18outbitches17outblazing22outbleated13outblessed13outblesses12outbloomed15outbluffed19outblushed16outblushes15outboasted13outbragged15outbraving16outbrawled16outbrazens21outbribing15outbulging14outbulking17outbullied13outbullies12outburning13outcapered15outcatches17outcaviled16outcharged17outcharges16outcharmed18outcheated16outchidden17outchiding17outclassed13outclasses12outclimbed17outcoached18outcoaches17outcompete16outcooking17outcounted13outcrawled16outcropped17outcrossed13outcrosses12outcrowded17outcrowing16outcursing13outdancing14outdatedly15outdazzled30outdazzles29outdebated14outdebates13outdeliver14outdesigns12outdodging14outdragged14outdrawing15outdreamed14outdressed12outdresses11outdriving15outdropped16outdueling12outduelled12outearning11outechoing16outercoats12outfabling16outfasting14outfawning17outfeasted14outfeeling14outfencing16outfielder14outfigured15outfigures14outfinding15outfishing17outfitters13outfitting14outflanked18outfloated14outflowing17outfooling14outfooting14outfrowned17outfumbled18outfumbles17outgaining12outgallops13outgambled16outgambles15outgassing12outgeneral11outgivings15outglaring12outgleamed14outglitter11outglowing15outgnawing15outgrinned12outgrossed12outgrosses11outgrowing15outgrowths17outguessed12outguesses11outguiding13outgunning12outgushing15outhandled15outhandles14outhearing14outhitting14outhomered16outhowling17outhumored16outhunting14outhustled14outhustles13outjinxing25outjockeys26outjuggled20outjuggles19outjumping22outjutting18outkeeping17outkicking21outkilling15outkissing15outlanders11outlandish14outlasting11outlaughed15outlawries13outleading12outleaping13outlearned11outmanning13outmarched18outmarches17outmasters12outmatched18outmatches17outmuscled15outmuscles14outnumbers14outoffices18outpainted13outpassing13outpatient12outpeopled15outpeoples14outperform17outpitched18outpitches17outpitying16outplacing15outplanned13outplaying16outplodded15outplotted13outpointed13outpolling13outpourers12outpouring13outpowered16outpraying16outpreened13outpressed13outpresses12outpricing15outproduce15outpromise14outpulling13outpunched18outpunches17outpursued13outpursues12outpushing16outputting13outquoting20outrageous11outraising11outranging12outranking15outreached16outreaches15outreading12outreasons10outrebound13outreckons16outriggers12outrigging13outrightly17outringing12outrivaled14outroaring11outrocking17outrolling11outrooting11outrunners10outrunning11outrushing14outsailing11outsavored14outschemed18outschemes17outscolded14outscooped15outscoring13outscorned13outscreams14outselling11outserving14outshaming16outshining14outshouted14outsinging12outsinning11outsitting11outskating15outslicked17outsmarted13outsmelled13outsmiling13outsmoking17outsnoring11outsoaring11outsourced13outsources12outspanned13outsparkle16outspeeded14outspelled13outspreads13outsprings13outsprints12outstaring11outstarted11outstating11outstation10outstaying14outsteered11outstretch15outstrides11outstriven13outstrives13outstrokes14outstudied12outstudies11outstunted11outsulking15outtalking15outtasking15outtelling11outthanked18outthieved17outthieves16outthought17outthrusts13outtowered14outtrading12outtravels13outtricked17outtrotted11outtrumped15outvaluing14outvaunted14outvoicing16outwaiting14outwalking18outwarring14outwasting14outwatched19outwatches18outwearied14outwearies13outwearing14outweeping16outweighed18outwhirled17outwilling14outwinding15outwishing17outwitting14outworkers17outworking18outwrestle13outwriting14outwritten13outwrought17outyelling14outyelping16outyielded15ovalbumins17ovalnesses13ovariotomy18ovaritides14overacting16overaction15overactive18overarched19overarches18overarming16overassert13overbaking20overbeaten15overbetted16overbidden17overbilled16overbleach20overblouse15overboiled16overbooked20overborrow18overbought19overbraked20overbrakes19overbreeds16overbriefs18overbright19overbrowse18overbrutal15overbuilds16overburden16overburned16overbuying19overcalled16overcasted16overcharge19overchills18overclaims17overcleans15overclears15overclouds16overcolors15overcomers17overcoming18overcommit19overcooked20overcooled16overcounts15overcrowds19overcuring16overdaring15overdecked21overdesign15overdirect16overdosage15overdosing15overdrafts17overdrinks18overdriven17overdrives17overdrying18overdubbed19overdyeing18overeaters13overeating14overedited15overemoted16overemotes15overexcite22overexerts20overexpand23overexpose22overextend21overfacile18overfavors19overfeared17overfilled17overfished20overfishes19overflight20overfloods17overflowed20overflying20overfunded18overgilded16overgirded16overglazed24overglazes23overgoaded16overgovern17overgraded16overgrades15overgrazed24overgrazes23overgrowth20overhanded18overhandle17overhating17overhauled17overheaped19overheated17overhonors16overhoping19overhunted17overhyping22overinform18overissued14overissues13overjoying24overkilled18overlabors15overlading15overlapped18overlavish19overlaying17overleaped16overlearns13overlearnt13overlength17overlights17overliving17overloaded15overlooked18overlorded15overloving17overmanage16overmanned16overmantel15overmaster15overmature15overmelted16overmighty22overmilked20overmining16overmixing23overmodest16overmuches20overnights17overpacked22overpassed16overpasses15overpaying19overpedals16overpeople17overplaids16overplants15overplayed19overpluses15overplying19overpotent15overpowers18overpraise15overpriced18overprices17overprints15overprized25overprizes24overpumped20overrating14overreacts15overreport15overridden15overriding15overroasts13overruffed20overruling14oversalted14oversauced16oversauces15oversaving17overscaled16overscored16overscores15overseeded15overseeing14oversewing17overshaded18overshades17overshadow20overshirts16overshoots16oversights17oversimple17oversimply20overskirts17overslaugh17oversleeps15oversmoked20oversmokes19oversoaked18overspends16overspiced18overspices17overspills15overspread16overstaffs19overstated14overstates13overstayed17oversteers13overstocks19overstrain13overstress13overstrewn16overstrews16overstride14overstrode14overstrung14overstuffs19oversubtle15oversudsed15oversudses14oversupped18oversupply20overswings17overtaking18overtalked18overtasked18overtaught17overtaxing21overthinks20overthrown19overthrows19overtiming16overtipped18overtiring14overtoiled14overtopped18overtraded15overtrades14overtrains13overtreats13overtricks19overtrumps17overturing14overturned14overurging15overvalued17overvalues16overvoting17overwarmed19overwaters16overweened17overweighs20overweight20overwetted17overwhelms21overwinter16overworked21overwrites16oviposited16ovipositor15oviraptors15ovulations13owlishness16ownerships18oxacillins19oxidations18oxidizable29oximetries19oxycodones23oxygenases21oxygenated22oxygenates21oxygenator21oxygenized31oxygenizes30oxygenless21oxymoronic24oxyuriases20oxyuriasis20oysterings14ozocerites21ozokerites23ozonations19
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