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9-letter words starting with O

1,408 words are exactly 9 letters long and starting with O.

Length 9 Letter O

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9-letter words starting with O

600 of 1,408 shown

For example: oakenshaw, oleaceous, organzine, outfoxing, outvaunts, overmixes.

oakenshaw9
oakmosses9
oanshaghs9
oarfishes9
oarswoman9
oarswomen9
oasthouse9
obbligati9
obbligato9
obconical9
obcordate9
obdurated9
obdurates9
obeahisms9
obedience9
obeisance9
obeliscal9
obelising9
obelizing9
obeseness9
obesities9
obfuscate9
objectify9
objecting9
objection9
objective9
objectors9
objurgate9
oblations9
obligable9
obligants9
obligated9
obligates9
obligator9
obligatos9
obliquely9
obliquest9
obliquing9
obliquity9
oblivions9
oblivious9
obloquial9
obloquies9
obnoxious9
obovately9
obreption9
obscenely9
obscenest9
obscenity9
obscurant9
obscurely9
obscurers9
obscurest9
obscuring9
obscurity9
obsecrate9
obsequent9
obsequial9
obsequies9
observant9
observers9
observing9
obsessing9
obsession9
obsessive9
obsessors9
obsidians9
obsignate9
obsigning9
obsolesce9
obsoleted9
obsoletes9
obstacles9
obstetric9
obstinacy9
obstinate9
obstructs9
obstruent9
obtainers9
obtaining9
obtempers9
obtending9
obtention9
obtesting9
obtruders9
obtruding9
obtrusion9
obtrusive9
obtundent9
obtunding9
obtundity9
obturated9
obturates9
obturator9
obumbrate9
obvention9
obversely9
obversion9
obverting9
obviating9
obviation9
obviators9
obviously9
obvoluted9
obvolvent9
occasions9
occidents9
occipital9
occludent9
occluders9
occluding9
occlusion9
occlusive9
occlusors9
occulters9
occulting9
occultism9
occultist9
occupance9
occupancy9
occupants9
occupated9
occupates9
occupiers9
occupying9
occurrent9
occurring9
oceanaria9
oceanauts9
oceanides9
ocellated9
ochidores9
ochlocrat9
ockerisms9
ocotillos9
octachord9
octagonal9
octahedra9
octameter9
octangles9
octaploid9
octapodic9
octaroons9
octastich9
octastyle9
octennial9
octillion9
octohedra9
octonarii9
octoploid9
octopodan9
octopodes9
octopuses9
octoroons9
octostyle9
octothorp9
octuplets9
octupling9
ocularist9
odaliques9
odalisque9
oddnesses9
oddsmaker9
odiferous9
odographs9
odometers9
odonatist9
odontalgy9
odontists9
odontoids9
odontomas9
odorising9
odorizing9
odorously9
odourless9
oecologic9
oecumenic9
oedipally9
oedometer9
oeillades9
oenanthic9
oenomancy9
oenomania9
oenometer9
oenophile9
oenophils9
oenophily9
oenothera9
oerlikons9
oesophagi9
oestriols9
oestrogen9
oestrones9
oestruses9
offenders9
offending9
offensive9
offerable9
offerings9
offertory9
offhanded9
officered9
officials9
officiant9
officiary9
officiate9
officinal9
officious9
offloaded9
offprints9
offsaddle9
offscreen9
offseason9
offshoots9
offshored9
offshores9
offsiders9
offspring9
offstages9
oftenness9
oghamists9
ogreishly9
ohmically9
ohmmeters9
oilcloths9
oilfields9
oilpapers9
oilstones9
ointments9
oiticicas9
okeydokey9
oldnesses9
oldsquaws9
oldstyles9
oleaceous9
oleanders9
oleasters9
olecranal9
olecranon9
oleograph9
oleoresin9
olfacting9
olfaction9
olfactive9
olfactory9
olibanums9
oligaemia9
oligaemic9
oligarchs9
oligarchy9
oligemias9
oligocene9
oligogene9
oligomers9
oligopoly9
oligurias9
oliphants9
olitories9
olivenite9
ologoaned9
ololiuqui9
olympiads9
omadhauns9
ombrellas9
ombrophil9
ombudsman9
ombudsmen9
omelettes9
ominously9
omissible9
omissions9
omittance9
ommatidia9
omneities9
omniarchs9
omnibuses9
omnieties9
omnifying9
omnirange9
omnivores9
omohyoids9
omophagia9
omophagic9
omophoria9
omoplates9
omphacite9
omphaloid9
onanistic9
oncidiums9
oncogenes9
oncogenic9
oncologic9
oncolyses9
oncolysis9
oncolytic9
oncometer9
oncomings9
oncostman9
oncostmen9
oncovirus9
ondograms9
ondograph9
onenesses9
onerously9
ongaongas9
onioniest9
onionskin9
onloading9
onlookers9
onlooking9
onomastic9
onrushing9
onsetters9
onsetting9
onshoring9
onslaught9
ontically9
ontogenic9
ontologic9
onychites9
onychitis9
onychiums9
ooftishes9
oogametes9
oogeneses9
oogenesis9
oogenetic9
oogoniums9
oolachans9
oological9
oologists9
oompahing9
oomycetes9
oophorons9
oospheres9
oosporous9
opacified9
opacifier9
opacifies9
opacities9
opalesced9
opalesces9
opensides9
openworks9
operagoer9
operantly9
operatics9
operating9
operation9
operatise9
operative9
operatize9
operators9
operceles9
opercular9
opercules9
operculum9
operettas9
operosely9
operosity9
ophidians9
ophiolite9
ophiology9
ophiurans9
ophiurids9
ophiuroid9
opificers9
opinioned9
opiumisms9
opobalsam9
opodeldoc9
oppilated9
oppilates9
opponency9
opponents9
opportune9
opposable9
opposably9
opposites9
oppressed9
oppresses9
oppressor9
oppugnant9
oppugners9
oppugning9
opsimaths9
opsimathy9
opsomania9
opsonised9
opsonises9
opsoniums9
opsonized9
opsonizes9
optatives9
optically9
opticians9
opticists9
optimally9
optimates9
optimised9
optimiser9
optimises9
optimisms9
optimists9
optimized9
optimizer9
optimizes9
optionals9
optionees9
optioning9
optometer9
optometry9
optophone9
optronics9
opulences9
opulently9
opuscular9
opuscules9
opusculum9
oraculous9
oralities9
orangeade9
orangerie9
orangiest9
orangutan9
oratorial9
oratorian9
oratories9
oratorios9
oratrices9
oratrixes9
orbicular9
orbitally9
orchellas9
orchestic9
orchestra9
orchidist9
orchillas9
ordainers9
ordaining9
ordaliums9
orderable9
orderings9
orderless9
orderlies9
ordinaire9
ordinally9
ordinance9
ordinands9
ordinants9
ordinated9
ordinates9
ordnances9
oreodonts9
orepearch9
orestunck9
organdies9
organelle9
organical9
organised9
organiser9
organises9
organisms9
organists9
organized9
organizer9
organizes9
organosol9
organotin9
organzine9
orgasming9
orgiastic9
orgillous9
oribatids9
oricalche9
orichalcs9
oriencies9
orientals9
orientate9
orienteer9
orienters9
orienting9
orificial9
oriflamme9
origanums9
originals9
originate9
orillions9
orinasals9
orleanses9
orlistats9
ornaments9
orneriest9
ornithine9
ornithoid9
orogenies9
orography9
orologies9
orologist9
orometers9
orphanage9
orphaning9
orphanism9
orpharion9
orphreyed9
orpiments9
orrisroot9
orseilles9
ortanique9
orthicons9
orthoaxes9
orthoaxis9
orthodoxy9
orthoepic9
orthology9
orthopedy9
orthopods9
orthopter9
orthoptic9
orthotics9
orthotist9
orthotone9
orthroses9
oscillate9
oscitance9
oscitancy9
oscitated9
oscitates9
osculated9
osculates9
osmeteria9
osmically9
osmometer9
osmometry9
osmundine9
osnaburgs9
ossariums9
ossatures9
osseously9
ossicular9
ossifiers9
ossifraga9
ossifrage9
ossifying9
ossobucos9
ossuaries9
ostensive9
ostensory9
osteocyte9
osteoderm9
osteogens9
osteogeny9
osteology9
osteomata9
osteopath9
osteotome9
osteotomy9
ostiaries9
ostinatos9
ostiolate9
ostleress9
ostomates9
ostosises9
ostracean9
ostracise9
ostracism9
ostracize9
ostracode9
ostracods9
ostregers9
ostriches9
otherness9
otherwise9
otocystic9
otolithic9
otologies9
otologist9
otoplasty9
otorrhoea9
otoscopes9
otoscopic9
ottavinos9
ottrelite9
oubliette9
oughlying9
oughtness9
ouglieing9
ouistitis9
oulachons9
ouroboros9
ouroscopy9
ourselves9
outacting9
outadding9
outargued9
outargues9
outasight9
outasking9
outbacker9
outbaking9

Showing the first 600 alphabetically. To narrow the rest, add another known letter in the crossword solver.

About 9-letter words starting with O

9-letter words starting with O come up in Scrabble and crossword solving whenever the puzzle's box count and a known letter narrow things down together. Use the filter above to jump to a different length or letter instantly.

Every word here is exactly 9 letters with O locked into the first slot. Openings are where English is least predictable, so a confirmed first letter narrows the field harder than most solvers expect.

Quick answers

How many 9-letter words are there starting with O?

There are 1,408 in our dictionary. Pairing a length with a single known letter is usually enough to cut the candidate pool by more than 90%, which is why this combination is more useful than either filter alone.

Is a 9-letter list useful outside Wordle?

Yes. Crossword grids fix the entry length before you know anything else, and Scrabble boards do the same once you spot an open lane. In both cases a length plus one confirmed letter is the normal amount of information you actually have.

Why does O return more or fewer words than other letters?

Openings are where English is least predictable, so a confirmed first letter narrows the field harder than most solvers expect. Letter frequency in English is uneven enough that a common letter can return a hundred times more words than a rare one at the same length.

Can I change the length or the letter?

Yes. The filter above switches length and letter without leaving the page, and the related lists below move the same letter between first, last, and anywhere. That is usually faster than going back to the parent tool.

Are proper nouns or abbreviations included?

No. Only standard dictionary words appear, which matches what Wordle, Scrabble, and crossword grids accept. If a word you expected is missing, it is most often a name, a hyphenation, or an abbreviation.

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