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8-Letter Words That Start With: O

There are 1,366 8-letter words, 58 8-letter phrases and 0 8-letter abbr's that start with O.

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oxazepam8
28 nounn
noun

• a tranquilizing drug (trade name Serax) used to treat anxiety and insomnia and alcohol withdrawal

ozonized8
27 verb, adjectivev, adj
verb

• convert (oxygen) into ozone

oxidized8
26 verb, adjectivev, adj
adjective

• combined with or having undergone a chemical reaction with oxygen

ozonizer8
26 nounn
Valid word for Scrabble US
ozonizes8
26 verbv
verb

• convert (oxygen) into ozone

oxidizer8
25 nounn
noun

• a substance that oxidizes another substance

oxidizes8
25 verbv
verb

• enter into a combination with oxygen or become converted into an oxide

• add oxygen to or combine with oxygen

oxazines8
24 nounn
Valid word for Scrabble US
oxpecker8
23 nounn
noun

• Either of two species of passerine bird in the genus Buphagus, in the monotypic family Buphagidae, endemic to sub-Saharan African savannah.

oxyphile8
23 nounn
Valid word for Scrabble US
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All 8 Letter Words

Words (1366)
originalofficialordinaryoppositeofferingoccasionobsessedoccurredovercomeoffendedopponentoccupiedorganizeovertimeoperatoroverseasorderingolympicsobservedorganismoverdoseoklahomaoverheadoutsiderobstacleobedientoffenderopposingoutdoorsobserverorthodoxoverrideoffshoreomeletteoverlookorganiseorientaloblivionoutbreakointmentoutdatedovertakeoptimismoutgoingorientedobsoleteoutragedornamentoutrightordainedoptimistorphanedouthouseovercameobituaryoutburstoverflowobstructoutlawedoverallsoverloadoptionaloverpassoverhearopennessovercoatobsidianoverdoneovertureoverhauloutreachoutwardsoverturnoperaticoverviewoutlinedoutsmartorganistoverkilloutshootoverpaidordnanceoutlivedolympiadovercastoutgrownobligingoffstageodysseusoccludedoverlordoverseeroverheatoldfieldoncomingoutlyingobjectorobligateoversellovertookoverlandomissionoutweighoverruleovercookoutfieldonscreenoctavianoxymoronoverworkoccupantoverusedoncologyoutflankolympianopticianodorlessoutshineoverstayoverbiteoperettaonlookerovershotoutboardoperableoccupieroffshootopulenceoverhangoutboundordinateoverhandoutfightoutskirtodometeroverstepoptimizeoverseenoutthinkoverripeoxytocinoffsidesoligarchoutvotedoblationomittingontologyoccidentoratoriootoscopeototoxicoutstareocotillooncidiumoutguessostinatooutlawryoverfondobdurateoverleafoutdoingoliphantoutmodedoxbridgeoxidizedoversizeoutcasteoilinessomdurmanoxidizeroverplayoutspendoleanderovertoneoverdrawoverfeedoutshoneodontoidoutsmelloximetryobligatoonondagaoutracedoverhungoctoroonofttimesoverbredoddmentsoversaltoutdanceoverkeenovercalloutclassoutpacedovereasyoverfillocclusalorthoepyoverlongoutrangeomadhaunoutsizedovermuchoximeteroverbillovertireoverlaidoutdriveoversoldoutstripoverfalloverrateoverrodeoverbearossifiedoilclothoilpaperoutdrinkovergroworgandieoverplusontogenyoffprintoscitantorinasaloverarchodiouslyoverboldolibanumoptimiseoracularoenologyoestroneoutmatchoutpointobduracyoceanautoutrivaloutscoreoutshoutophidianoatmealsoutturnsoutvalueoxidatedoxidatesoverhateoutbullyoutlandsoperculaobservesobsessesocherousoptimumsoperculeoutlastsonrushesottomansoptionedoverawesoxidizesoutpunchobsessoroverbakeoutcallsovermeltodorantsoutvyingoverrashoverbeatoutwaitsonstreamoutsoarsoutfliesoutleadsoutsolesoutwalksobeisantodorizedodorizesoutleapsopulencyosmosingorphreysoutflownoutracesodourfulorganicsoutcharmoutragesoilproofopusculaoilskinsopusculeoiltightoutliersoutspeedoutwearyossatureodysseysoutlinesoverhypeoutfootsoxygenicoutfoxedoutlivesoutfoxesoutratesoutspentoverbookoverfishoutlooksoedemataossifiesoutcomesoverdearoutgainsoriganumoverrifeobtaineroutcooksoogameteoutcountoutstandoogamousoverwilyoutstartoverrudeoutgazesoldstyleoutcropsoutcrossoutstaysopinionsoversudsobtestedoutgivesorationsobtrudedoverrunsoutstoodoverwornobtrudesoutgleamoutridesoverawedoversureolefinicorgiastsoutmovedoverjoysobtundedoutactedorgulousoutglowsoffbeatsoutargueoversaveoffencesopossumsonanismsoviducalorbitingoutstudyoverzealobtusityoutgrossornatelyovipositozonisedoutgroupoutyieldofferersoverladeoverseedoppilateoutgrowsoutpacesoblatoryobvertedovertameoverlainovertaskoutdodgeoutrowedoverseesobligatiobviatedofficersolicooksobviatesoutbarksovoidalsorienteroverlapsostinatiobligeesorificesoverdubsopposersoversewsovulatedoverdyedobligorsoothecaeoutdrawsoverdyesoilstoneostomiesoutdressoutpitchordinandovereatsocularlyorthosisopenworkovereditoffloadsorthoticovationsoppugneroblonglyofframpsoutdroveoutdrunkouthowlsorchisesorchiticoutduelsoddballsoutplaysoafishlyoutmarchodditiesoverliesoutplodsorcinolsoneriestoutsellsoutboastoutsertsoutthrowoccultedoverliveoutearnsolivinesovertopsoutboxesoccultlyornithesoutpollsopeningsorderersoutbragsodographoveragesodonatesoutpostsovergrewoversoakoperablyobscuredoccupiesoutfacedoutpoursoxbloodsotioselyoutpoweroutfallsobscuresoperatedoperatesoutfastsoutsingsotolithsorangeryogressesoutbuildouttrumpovermanyoutpressoverarmsorangishogrishlyoutkicksoutsizesoverhardoxidableomissiveoutbuiltoutskateoxidantsoutbulgeoutfeelsoxidasesoxidisedoutpriceoxidasicoxidiserordurousoutfenceoutkillsorogenicoutsleepocellateotoscopyoutvauntoutsleptoutbulksoutslickorectiveoreganosoverurgeoverspinoverniceoperceleoreodontoverpumpocheringoverusesoutburnsoutburntoutfindsoverheapoxidisesoutlaughoutfiredoutsmeltomnivoreoxtongueorometeroutfiresoutsmileoutvoiceoptioneeoutpullsoilbirdsovercooloilcampsouabainsoutsmokeovermeekoutcaperoutpupiloverheldoutvotesomphalosomentumsoutsnoreoverrankobeahismoverhighomicronsovermildoutcastsovermilkoutcatchoverholdomikronsoilholesoverholyovermineoutcaviloverbetsovervoteoxpeckerochreousoverfastoutfloatoutquoteorphicaloutleaptovercramoverwarmoutlearnorphismsoutspansomittersoutwasteoverbidsoverwaryoutflowsobelisedopuntiasosmundasoughtingoverfearoverhopeobelisesoutspeakoutwatchoutraiseoxyacidsoxytocicoilseedsobelisksosnaburgoutcheatorreriesobelismsoverhuntoutranceoverstirobelizedoutwearsoverweakobelizesouguiyasoutfoolsoutlineroverwearoquassasoutchideomniarchouistitioutspelloverblewovaritisoinologyoutliveroverblowoctonaryoversewnoinomelsoutfoundoutranksoutspeltovercureovernearoctagonsoutratedoutweepsoverneatorchitisoutclimbovershoeoutfrownoverweenossetrasoutspokeovercutsobeyableoecologyoiticicaoutravedoversideossiclesoutclomboutravesoverdareoutcoachoutlovedossifieroutlovesovenbirdoverflewordainerovenwareoutwhirloverboreoveridleoverbornoverdeckoedipeanoralismsoutreadsoverrichoeilladeomniformoralistsoctangleokeydokeobtainedoverwetsoctanolsopiatingoctantaloutwiledomnimodeosteiticoutwilesoogamiesoverwideoxyphileobtectedoenomelsoutwillsoverwindoogeniesorangieroxyphilsoosphereoutcrawlosculateorganonsobjectedoogonialoutstateoogoniumoutwindsoxysaltsoldsquawoutcriedoverruffoutcriesoutgazedoxysomesoctarchyoldstersopsonizeorganumsoverwiseoldwivesomnivoraoolachanorganzasoptativeoerstedsoutsteeroxytonesorgasmedoveragedoutgivenoverwordoutcrowdopalesceorgasticoverworeoleasteroverfoulobtruderoutglareohmmeteroestrinsomophagyoologiesoverfreeoverpackoologistoutcrowsoversupsolefinesoutcurseopaquelyoratressoutmodesoutworksoversaleoysteredoncogeneoystereroctettesoestrousoomiacksoutcurveoestrumsoutmovesoverdoeroverdoesoutringsoompahedopiumismoverdogsoutbraveoverboiloribatidoverjustoutaddedoutdaredoverfundosteoidsoutdaresoffcastsoutgnawnoverbusyoutgnawsoverburnoutroarsoutwriteovicidalorbitalsoutdatesoverpastovicidesozonatedoverkindozonatesorbitersosteomasoutaskedoutrocksoutwroteobtusestolestrasonanistsoverpaysoviductsoppidansoffensesoutstuntoutgrinsoutrollsoutyellsozonidesoutbacksosteitisoutbakedoutbakesoutyelpsoverbuysoblatelyoutsulksoophytesovertalkozonisesobversesofferorsoophyticoppilantoutrootsoverdrewoutpaintozonizedozonizeroctopodsorchardsosteosesoutswareovertartosteosisoutswearovergildozonizesobviableovercropoutguideoutsweepovergiltobviatorovergirdoutdoersoverpertobvoluteovergirtobturateoutbawlsoospermsostiolaroverlateoliguriaovalnessoversetsoosporesostiolesobligersocarinasoosporicorigamisoutbeamsoutsweptovergladopencastoutdragsoutdrankoctupledoutsailsoutswimsovulatesobtuselyoctuplesoutdrawnoutswingoctupletostmarksoverdyeroverthinoothecalostomateoutdreamoutsavorovarioleoverlaysoverplanobliquedoctuplexouthaulsoutheardobliquesoligomeroutsworeouthearsoutswornoffishlyorthosesoutswungoozinessoutblazeouttakesondogramoutbleatoutscoldouthomerouttalksoverplotowlishlyoculistsoutplaceorpimentoutblessoutscoopovergoadoverlendoppugnedouttasksoversickoutbloomoutdropsouttellsoccipitaoutthankostracododalisksouthumoroutscornovenlikeoutbluffoestriolocciputsopalinesoverlentoutplansoverletsorthiconostraconoutblushoverableoverlewdoccludesostrakonouthuntsovertipsoverfullopaquestortolansopaquingoutthrewoutplotsoutthrobovertoilopsonifyoutserveocculteropsoninsornerieropenableouteatenolivinicoutboxedoverslipofftrackotalgiasoveractsornithicoutshameoftenestotalgiesoverslowobscenerovercoldoxazepamoxalatedoutbrawloxalatesodometryoutportsouttoweroxalisesoscinineologistsordinalsoutfableouttradeoversoftoxazinesopticistoverloudoghamistoverloveoversoonoutfacesoversouloutrideroarlocksoperandsobscurerovertrimolorososoperantsoverlushotiosityoutjumpsoutsidesosculantoutbreedoutsightotitidesotitisesoutpraysouttrickoutbribeotocystsonloadedoutfawnsoutkeepsoutpreenouttrotsoverleapoatcakesogreismsoutfeastovermansoxheartsoptimateoathableobsequieovermastophidismophiodonoff-whiteombrellaosieriesoutprizeovertypeoutvenomodontomaottavinootorrheaorumiyehosmiatesotteringochotonaorbignyaoverrackochidoreoreologyoronasalonsetteroverrakeoxybelisoropesasobduringoutvoterouakarisoverhentoryzomysobeahingoileriesovereyedoverveilonomancyoreweedsoubaasesovereyesomphalusorbitaleoptologyorexisesoutflashoverhitsoilfiredonsteadsorbitualoilgasesobsignedochreateodorisedoxoniumsodorisesoutflingold-worldoughliedoughliesoverreadoxteringovercrawopulusesoverwashoutflushonwardlyouachitaockerismommateumopusclesopopanaxovalipesockodolsoverfelloverredsonychiasovercrowonychiteossariumodylismsorseilleovernameorsellicophiuranorganityoutweedsosseletsoulachonophiurasoraclingoctopodaophiuridoverfineossetersoulakansonychiumovernetsoverrensoutsportoutwellsovenbakeoverbootold-timeroragiousomnifiedomnifiesoverwentoutwicksokimonosopificeropinableoldtimerorangestoutgasesoldwenchoctaplasoldeningobtemperopinicusoenophiloverwingoutgatesoleaceaeoctapodyobtendedoctaroonoutwingsoerlikonorariansoutreignoverfoldon-streetoleandraorarionsoolakansorariumsourologyout-herodomnivoryomohyoidoutremeroverbrimoleariasoutstepsoverbrowonce-overosmitroloversailolefiantomoplateoustitisosteogenoverswamoverswayoutworthoverpageoverjumpoutwoundoutwrestomphalicoverbulkoystrigeoveryearoverpartoutnamedoverkeepoutnamesodobenusondaatjeoomyceteoverkeptovibosesorichalcoutgoersoverkestoutnightoporicesovergallorielledoverswimorbitiesovergangoverkingolfersiaoverkneeolfactedovergaveobjuringovergearoverpeeroverswumoophoronoutroopsoffereesozoniseroutroperoutguardobligantoutropesovergetsodouriseouvragesoctopushodovacaroncogensoutpartsouvriereodovakaroil-firedorchellaorthopodouvriersopen-eyedorchesesorchesisoverlardorifexesoutswellovergiveoligemiaopen-planoverdustoligemiconcomiceoilfieldopenbilloverteemorographoligistsoutpeepsoccamiesone-acteroriganesone-armedoutpeersorontiumoenantheoilstoveobliqueroncotomyone-earedobliquidovariousondatrasoweltiesouthiredouttakenone-fifthoradexonouthiresorillionowlclawsowerloupoculatedone-horseovercladovenableowleriesodaliqueovergoesone-lineropsimathovergoneorchillaovereggsokenfussodallersopalisedone-ninthopalizedovenwoodoccluderorthiliaone-partyoffscumsoutduredoverlieroverpostoverskiporeamnosoutduresone-pieceostregeroutdwellouthyredocclusoroutdweltouthyresowrecomeone-sidedoffsiderowrelaysornatestovercloyone-sixthowrewordopsoniseoff-guardolympismordalianofftakesordaliumoverlockoaklingsopsoniumoutjestsone-tenthone-thirdongaongaoversmanoversmenoutedgesoanshaghoccupateongoingsopensideonionieroreortyxonioningoff-colorone-womanoutshotsordinantoscitateologoansoniscoidoverhaironeirismoverhaleodontistordinarsoversownoversowsovertripoarweedsolycooksonlinersolykoeksotididaeordineesoceanidsoutbrokeoceanica
Phrases (58)
old irishold latinold styleold womanon cameraopium denon the slyopen doorosso bucooil slickoil stainouter earovis poliold gloryold guardold moneyorudis ktold norseonly whenold saxonold southotto hahnold squawold timesos ischiios longumon and offos nasaleotus asioosaka bayon the doton the flyout fronton-the-jobover hereon the wayogee archoptic cuponce moreoil coloropen fireoil glandone by oneoil paintopen shopoil shaleouter jibolive oiloak appleopera hatoral examone-on-oneof courseof importoff-and-onoff fleekone-to-oneotc stock
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