9-Letter Words Start with 'o'

There are 1,065 9-letter words that start with 'o'.

oakmosses	oarfishes	oarswoman
oarswomen	oasthouse	obbligati
obbligato	obconical	obcordate
obeahisms	obedience	obeisance
obeliscal	obelising	obelizing
obeseness	obesities	obfuscate
objectify	objecting	objection
objective	objectors	objurgate
oblations	obligable	obligated
obligates	obligator	obligatos
obliquely	obliquing	obliquity
oblivions	oblivious	obloquial
obloquies	obnoxious	obscenely
obscenest	obscenity	obscurant
obscurely	obscurest	obscuring
obscurity	obsecrate	obsequies
observant	observers	observing
obsessing	obsession	obsessive
obsessors	obsidians	obsolesce
obsoleted	obsoletes	obstacles
obstetric	obstinacy	obstinate
obstructs	obstruent	obtainers
obtaining	obtesting	obtruders
obtruding	obtrusion	obtrusive
obtundent	obtunding	obtundity
obturated	obturates	obturator
obversely	obversion	obverting
obviating	obviation	obviators
obviously	occasions	occidents
occipital	occludent	occluding
occlusion	occlusive	occulters
occulting	occultism	occultist
occupancy	occupants	occupiers
occupying	occurrent	occurring
oceanaria	oceanauts	ocellated
ochlocrat	ocotillos	octachord
octagonal	octahedra	octameter
octangles	octennial	octillion
octoploid	octopodan	octopodes
octopuses	octoroons	octothorp
octuplets	octupling	ocularist
odalisque	oddnesses	oddsmaker
odiferous	odographs	odometers
odontoids	odorizing	odorously
oedipally	oeillades	oenophile
oesophagi	oestriols	oestrogen
oestrones	oestruses	offenders
offending	offensive	offerings
offertory	offhanded	officered
officials	officiant	officiary
officiate	officinal	officious
oxidating	oxidation	oxidative
oxidisers	oxidising	oxidizers
oxidizing	oximeters	oxpeckers
oxtongues	oxycodone	oxygenase
oxygenate	oxygenize	oxygenous
oxymorons	oxyphiles	oxyphilic
oxytocics	oxytocins	oysterers
oystering	oysterman	oystermen
ozocerite	ozokerite	ozonating
ozonation	ozonising	ozonizers
ozonizing	offloaded	offprints
offscreen	offshoots	offshores
offspring	offstages	oghamists
ogreishly	ohmically	ohmmeters
oilcloths	oilpapers	oilstones
ointments	oiticicas
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Note: These 1,065 9-letter words that start with 'o' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with ov, ou, or, ob, op, os, oc, ox, ol, on, of, om, od, oo, ot, oi, oa, oe, og, oz, ow, oy, ok, oh, oq.

2-letter words start with 'o' (13)
3-letter words start with 'o' (48)
4-letter words start with 'o' (112)
5-letter words start with 'o' (185)
6-letter words start with 'o' (341)
7-letter words start with 'o' (645)
8-letter words start with 'o' (1,012)
9-letter words start with 'o' (1,065)
10-letter words start with 'o' (880)
11-letter words start with 'o' (646)
12-letter words start with 'o' (439)
13-letter words start with 'o' (301)
14-letter words start with 'o' (213)
15-letter words start with 'o' (157)