Regular Verbs That Start with O

Explore 886 verified English regular verbs starting with O, including Open, Order, Okay, Offer, Oil, Object and Option. Browse these standard action words that form past tense with -ed by length below, or review -ed spelling and pronunciation patterns in our verb grammar guide.

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Starts with OA
2 words
oar
oared
Starts with OB24 words
object
obtain
observe
obey
obscure
oblige
obsolete
obsess
obstruct
oblique
obligate
obliterate
objectify
obviate
obfuscate
obtrude
obtunded
obsolesce
objectivize
obtund
obturate
objectivate
objurgate
obvert
Starts with OC10 words
occur
occasion
occupy
occult
occlude
ocher
octuple
occidentalize
occupate
octuplicate
Starts with OD
2 words
odorize
odorate
Starts with OF11 words
off
offer
officer
offend
offshore
offload
officiate
offramp
officialize
offprint
offsaddle
Starts with OG
1 words
ogle
Starts with OH
1 words
oh
Starts with OI5 words
oil
oink
oilcan
oilproof
oint
Starts with OK
2 words
ok
okay
Starts with OL4 words
ollie
olfact
oligomerize
oloupit
Starts with OM3 words
omit
omen
omnify
Starts with ON3 words
onboard
onshore
onload
Starts with OO4 words
ooh
ooze
oop
oophorectomize
Starts with OP24 words
open
option
operating
operate
oppose
optimize
opt
opaque
oppress
opiate
opine
operationalize
ope
oppugn
opinionize
opsonize
opacify
opalesce
opiated
opsonify
oppilate
opinionate
operatize
oppignerate
Starts with OR19 words
order
organize
oriented
orbit
originate
orphan
orb
orgasm
ornament
orient
ordain
orchestrate
orientate
orate
ordinate
orienteer
orthogonalize
orientalize
orcharding
Starts with OS6 words
oscillate
ostracize
ossify
osculate
osmose
oscitate
Starts with OT
1 words
other
Starts with OU24 words
out
output
outline
outfit
outrage
outreach
outlaw
outweigh
outsourcing
outsource
outperform
outsmart
outcry
outflow
outlive
oust
outstrip
outlast
outnumber
outpace
outscore
outwit
outgun
outplay
Starts with OV24 words
overnight
overwhelming
overview
overlook
overwhelm
overweight
overdose
overlap
overflow
overturn
overload
overrated
overhaul
overture
overreact
overshadow
overuse
overkill
overland
overpower
overpass
overstate
overrule
overextend
Starts with OW3 words
own
owe
owerloup
Starts with OX5 words
oxidize
oxygenate
oxidate
oxter
oxygenize
Starts with OY
1 words
oyster
Starts with OZ
2 words
ozonate
ozonize

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