9-Letter Words Starting With O
There are 1,407 9-letter words starting with the letter O in our dictionary, and the 500 shown here are ordered alphabetically. These are handy when you have O on your rack and a 9-letter space to fill in Scrabble or Words With Friends. Each word shows its Scrabble tile value.
Descramble your own letters →
9-letter words (500) oakenshaw19 oakmosses15 oanshaghs16 oarfishes15 oarswoman14 oarswomen14 oasthouse12 obbligati14 obbligato14 obconical15 obcordate14 obdurated13 obdurates12 obeahisms16 obedience14 obeisance13 obeliscal13 obelising12 obelizing21 obeseness11 obesities11 obfuscate16 objectify26 objecting21 objection20 objective23 objectors20 objurgate19 oblations11 obligable14 obligants12 obligated13 obligates12 obligator12 obligatos12 obliquely23 obliquest20 obliquing21 obliquity23 oblivions14 oblivious14 obloquial20 obloquies20 obnoxious18 obovately17 obreption13 obscenely16 obscenest13 obscenity16 obscurant13 obscurely16 obscurers13 obscurest13 obscuring14 obscurity16 obsecrate13 obsequent20 obsequial20 obsequies20 observant14 observers14 observing15 obsessing12 obsession11 obsessive14 obsessors11 obsidians12 obsignate12 obsigning13 obsolesce13 obsoleted12 obsoletes11 obstacles13 obstetric13 obstinacy16 obstinate11 obstructs13 obstruent11 obtainers11 obtaining12 obtempers15 obtending13 obtention11 obtesting12 obtruders12 obtruding13 obtrusion11 obtrusive14 obtundent12 obtunding13 obtundity15 obturated12 obturates11 obturator11 obumbrate15 obvention14 obversely17 obversion14 obverting15 obviating15 obviation14 obviators14 obviously17 obvoluted15 obvolvent17 occasions13 occidents14 occipital15 occludent14 occluders14 occluding15 occlusion13 occlusive16 occlusors13 occulters13 occulting14 occultism15 occultist13 occupance17 occupancy20 occupants15 occupated16 occupates15 occupiers15 occupying19 occurrent13 occurring14 oceanaria11 oceanauts11 oceanides12 ocellated12 ochidores15 ochlocrat16 ockerisms17 ocotillos11 octachord17 octagonal12 octahedra15 octameter13 octangles12 octaploid14 octapodic16 octaroons11 octastich16 octastyle14 octennial11 octillion11 octohedra15 octonarii11 octoploid14 octopodan14 octopodes14 octopuses13 octoroons11 octostyle14 octothorp16 octuplets13 octupling14 ocularist11 odaliques19 odalisque19 oddnesses11 oddsmaker17 odiferous13 odographs16 odometers12 odonatist10 odontalgy14 odontists10 odontoids11 odontomas12 odorising11 odorizing20 odorously13 odourless10 oecologic14 oecumenic15 oedipally15 oedometer12 oeillades10 oenanthic14 oenomancy16 oenomania11 oenometer11 oenophile14 oenophils14 oenophily17 oenothera12 oerlikons13 oesophagi15 oestriols9 oestrogen10 oestrones9 oestruses9 offenders16 offending17 offensive18 offerable17 offerings16 offertory18 offhanded20 officered18 officials17 officiant17 officiary20 officiate17 officinal17 officious17 offloaded17 offprints17 offsaddle17 offscreen17 offseason15 offshoots18 offshored19 offshores18 offsiders16 offspring18 offstages16 oftenness12 oghamists15 ogreishly16 ohmically19 ohmmeters16 oilcloths14 oilfields13 oilpapers13 oilstones9 ointments11 oiticicas13 okeydokey24 oldnesses10 oldsquaws22 oldstyles13 oleaceous11 oleanders10 oleasters9 olecranal11 olecranon11 oleograph15 oleoresin9 olfacting15 olfaction14 olfactive17 olfactory17 olibanums13 oligaemia12 oligaemic14 oligarchs15 oligarchy18 oligemias12 oligocene12 oligogene11 oligomers12 oligopoly15 oligurias10 oliphants14 olitories9 olivenite12 ologoaned11 ololiuqui18 olympiads17 omadhauns15 ombrellas13 ombrophil18 ombudsman16 ombudsmen16 omelettes11 ominously14 omissible13 omissions11 omittance13 ommatidia14 omneities11 omniarchs16 omnibuses13 omnieties11 omnifying18 omnirange12 omnivores14 omohyoids18 omophagia17 omophagic19 omophoria16 omoplates13 omphacite18 omphaloid17 onanistic11 oncidiums14 oncogenes12 oncogenic14 oncologic14 oncolyses14 oncolysis14 oncolytic16 oncometer13 oncomings14 oncostman13 oncostmen13 oncovirus14 ondograms13 ondograph16 onenesses9 onerously12 ongaongas11 onioniest9 onionskin13 onloading11 onlookers13 onlooking14 onomastic13 onrushing13 onsetters9 onsetting10 onshoring13 onslaught13 ontically14 ontogenic12 ontologic12 onychites17 onychitis17 onychiums19 ooftishes15 oogametes12 oogeneses10 oogenesis10 oogenetic12 oogoniums12 oolachans14 oological12 oologists10 oompahing17 oomycetes16 oophorons14 oospheres14 oosporous11 opacified17 opacifier16 opacifies16 opacities13 opalesced14 opalesces13 opensides12 openworks18 operagoer12 operantly14 operatics13 operating12 operation11 operatise11 operative14 operatize20 operators11 operceles13 opercular13 opercules13 operculum15 operettas11 operosely14 operosity14 ophidians15 ophiolite14 ophiology18 ophiurans14 ophiurids15 ophiuroid15 opificers16 opinioned12 opiumisms15 opobalsam15 opodeldoc15 oppilated14 oppilates13 opponency18 opponents13 opportune13 opposable15 opposably18 opposites13 oppressed14 oppresses13 oppressor13 oppugnant14 oppugners14 oppugning15 opsimaths16 opsimathy19 opsomania13 opsonised12 opsonises11 opsoniums13 opsonized21 opsonizes20 optatives14 optically16 opticians13 opticists13 optimally16 optimates13 optimised14 optimiser13 optimises13 optimisms15 optimists13 optimized23 optimizer22 optimizes22 optionals11 optionees11 optioning12 optometer13 optometry16 optophone16 optronics13 opulences13 opulently14 opuscular13 opuscules13 opusculum15 oraculous11 oralities9 orangeade11 orangerie10 orangiest10 orangutan10 oratorial9 oratorian9 oratories9 oratorios9 oratrices11 oratrixes16 orbicular13 orbitally14 orchellas14 orchestic16 orchestra14 orchidist15 orchillas14 ordainers10 ordaining11 ordaliums12 orderable12 orderings11 orderless10 orderlies10 ordinaire10 ordinally13 ordinance12 ordinands11 ordinants10 ordinated11 ordinates10 ordnances12 oreodonts10 orepearch16 orestunck15 organdies11 organelle10 organical12 organised11 organiser10 organises10 organisms12 organists10 organized20 organizer19 organizes19 organosol10 organotin10 organzine19 orgiastic12 orgillous10 oribatids12 oricalche16 orichalcs16 oriencies11 orientals9 orientate9 orienteer9 orienters9 orienting10 orificial14 oriflamme16 origanums12 originals10 originate10 orillions9 orinasals9 orleanses9 orlistats9 ornaments11 orneriest9 ornithine12 ornithoid13 orogenies10 orography18 orologies10 orologist10 orometers11 orphanage15
Showing the first 500 of 1,407 — use the descrambler to search your exact letters.
Related word lists
Dictionary: cleaned open word list (~270k words). Not affiliated with or endorsed by Hasbro, Mattel, or Zynga. "Scrabble" and "Words With Friends" are trademarks of their respective owners.