8-Letter Words Start with 'o'

There are 1,012 8-letter words that start with 'o'.

oafishly	oarlocks	oatcakes	oatmeals
obduracy	obdurate	obeahism	obedient
obeisant	obelised	obelises	obelisks
obelisms	obelized	obelizes	obeyable
obituary	objected	objector	oblately
oblation	oblatory	obligate	obligati
obligato	obligees	obligers	obliging
obligors	obliqued	obliques	oblivion
oblongly	obscener	obscured	obscurer
obscures	observed	observer	observes
obsessed	obsesses	obsessor	obsidian
obsolete	obstacle	obstruct	obtained
obtainer	obtected	obtested	obtruded
obtruder	obtrudes	obtunded	obturate
obtusely	obtusest	obtusity	obverses
obverted	obviable	obviated	obviates
obviator	obvolute	ocarinas	occasion
occident	occipita	occiputs	occluded
occludes	occlusal	occulted	occulter
occultly	occupant	occupied	occupier
occupies	occurred	oceanaut	ocellate
ochering	ocherous	ochreous	ocotillo
octagons	octangle	octanols	octantal
octarchy	octettes	octonary	octopods
octoroon	octupled	octuples	octuplet
octuplex	ocularly	oculists	odalisks
oddballs	oddities	oddments	odiously
odograph	odometer	odometry	odonates
odontoid	odorants	odorized	odorizes
odorless	odourful	odysseys	oecology
oedemata	oedipean	oeillade	oenology
oenomels	oersteds	oestrins	oestriol
oestrone	oestrous	oestrums	offbeats
offcasts	offences	offended	offender
offenses	offerers	offering	offerors
officers	official	offishly	oxbloods
oxhearts	oxidable	oxidants	oxidases
oxidasic	oxidated	oxidates	oxidised
oxidiser	oxidises	oxidized	oxidizer
oxidizes	oximeter	oximetry	oxpecker
oxtongue	oxyacids	oxygenic	oxymoron
oxyphile	oxyphils	oxysalts	oxysomes
oxytocic	oxytocin	oxytones	oystered
oysterer	ozonated	ozonates	ozonides
ozonised	ozonises	ozonized	ozonizer
ozonizes	offloads	offprint	offramps
offshoot	offshore	offsides	offstage
offtrack	oftenest	ofttimes	oghamist
ogreisms	ogresses	ogrishly	ohmmeter
oilbirds	oilcamps	oilcloth	oilholes
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Note: These 1,012 8-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)