Seven-letter words starting with O
618 seven-letter words begin with the letter O. The complete list is below in alphabetical order, grouped by second letter so you can scan straight to the ones that fit your puzzle.
Most common seven-letter words starting with O
Ranked by how often they appear in written English.
- options
- overall
- outside
- opinion
- outdoor
- offered
- officer
- opening
- objects
- offices
- optical
- organic
- ordered
- outlook
- operate
- ongoing
- obvious
- outcome
- outline
- optimal
- opposed
- offense
- observe
- origins
Highest-scoring seven-letter words starting with O
Standard Scrabble tile values, before any board multipliers.
- ozonize 25
- oxidize 24
- oxazine 23
- oxyphil 22
- obloquy 21
- obsequy 21
- outjinx 21
- overjoy 20
- oxyacid 20
- opaqued 19
- overmix 19
- oxymora 19
- oxysome 19
- obelize 18
- objects 18
- oblique 18
- opaquer 18
- opaques 18
- outjump 18
- oxfords 18
- oxygens 18
- odorize 17
- offhand 17
- offramp 17
All 618 seven-letter words starting with O
OA 11
- oaklike
- oakmoss
- oarfish
- oarless
- oarlike
- oarlock
- oarsman
- oarsmen
- oatcake
- oatlike
- oatmeal
OB 39
- obconic
- obelias
- obelise
- obelisk
- obelism
- obelize
- obesely
- obesity
- obeyers
- obeying
- obiisms
- objects
- oblasti
- oblasts
- oblates
- obliged
- obligee
- obliger
- obliges
- obligor
- oblique
- oblongs
- obloquy
- oboists
- obovate
- obovoid
- obscene
- obscure
- obsequy
- observe
- obtains
- obtests
- obtrude
- obtunds
- obtuser
- obverse
- obverts
- obviate
- obvious
OC 31
- ocarina
- occiput
- occlude
- occults
- oceanic
- ocellar
- ocellus
- oceloid
- ocelots
- ochered
- ochreae
- ochring
- ochroid
- ochrous
- ocreate
- octadic
- octagon
- octanes
- octanol
- octants
- octaval
- octaves
- octavos
- octette
- octopod
- octopus
- octrois
- octuple
- octuply
- oculars
- oculist
OD 10
- odalisk
- oddball
- oddment
- oddness
- odonate
- odorant
- odorful
- odorize
- odorous
- odyssey
OE 8
- oedemas
- oedipal
- oenomel
- oersted
- oestrin
- oestrum
- oestrus
- oeuvres
OF 18
- offbeat
- offcast
- offcuts
- offence
- offends
- offense
- offered
- offerer
- offeror
- offhand
- officer
- offices
- offings
- offload
- offramp
- offsets
- offside
- oftener
OG 5
- ogdoads
- oghamic
- ogreish
- ogreism
- ogrisms
OH 1
- ohmages
OI 11
- oilbird
- oilcamp
- oilcans
- oilcups
- oilhole
- oiliest
- oilseed
- oilskin
- oilways
- oinking
- oinomel
OK 1
- okaying
OL 12
- oldness
- oldster
- oldwife
- oleates
- olefine
- olefins
- oleines
- olivary
- olivine
- ologies
- ologist
- oloroso
OM 12
- omelets
- omening
- omental
- omentum
- omicron
- omikron
- ominous
- omitted
- omitter
- omnibus
- omnific
- omphali
ON 15
- onagers
- onanism
- onanist
- onboard
- onefold
- oneiric
- oneness
- onerier
- onerous
- oneself
- onetime
- ongoing
- onshore
- onstage
- onwards
OO 19
- oocysts
- oocytes
- oodlins
- oogonia
- oolites
- ooliths
- oolitic
- oologic
- oolongs
- oomiack
- oomiacs
- oomiaks
- oompahs
- oophyte
- ooralis
- oosperm
- oospore
- ootheca
- ooziest
OP 37
- opacify
- opacity
- opaline
- opaqued
- opaquer
- opaques
- openers
- openest
- opening
- operand
- operant
- operate
- operons
- operose
- ophites
- ophitic
- opiated
- opiates
- opining
- opinion
- opioids
- opossum
- oppidan
- opposed
- opposer
- opposes
- oppress
- oppugns
- opsonic
- opsonin
- optical
- optimal
- optimes
- optimum
- options
- opulent
- opuntia
OQ 1
- oquassa
OR 59
- oraches
- oracles
- oralism
- oralist
- orality
- oranges
- orangey
- orating
- oration
- orators
- oratory
- oratrix
- orbiest
- orbital
- orbited
- orbiter
- orceins
- orchard
- orchids
- orchils
- orcinol
- ordains
- ordeals
- ordered
- orderer
- orderly
- ordinal
- ordines
- ordures
- orectic
- oregano
- oreides
- orfrays
- organdy
- organic
- organon
- organum
- organza
- orgasms
- orgeats
- orgones
- orients
- orifice
- origami
- origans
- origins
- orioles
- orisons
- ormolus
- orogeny
- oroides
- orology
- orotund
- orphans
- orphrey
- orpines
- orrices
- orrises
- ortolan
OS 32
- oscines
- oscular
- oscules
- osculum
- osmatic
- osmious
- osmiums
- osmolal
- osmolar
- osmoles
- osmosed
- osmoses
- osmosis
- osmotic
- osmunda
- osmunds
- ospreys
- osseins
- osseous
- ossicle
- ossific
- ossuary
- osteoid
- osteoma
- ostiary
- ostiole
- ostlers
- ostmark
- ostoses
- ostosis
- ostraca
- ostrich
OT 7
- otalgia
- otalgic
- otocyst
- otolith
- otology
- ottavas
- ottoman
OU 191
- ouabain
- ouching
- oughted
- ouguiya
- ourangs
- ouraris
- ourebis
- ourself
- ousters
- ousting
- outacts
- outadds
- outages
- outasks
- outback
- outbake
- outbark
- outbawl
- outbeam
- outbegs
- outbids
- outbrag
- outbred
- outbulk
- outburn
- outbuys
- outcast
- outchid
- outcome
- outcook
- outcrop
- outcrow
- outdare
- outdate
- outdoer
- outdoes
- outdone
- outdoor
- outdrag
- outdraw
- outdrew
- outdrop
- outduel
- outearn
- outeats
- outecho
- outface
- outfall
- outfast
- outfawn
- outfeel
- outfelt
- outfind
- outfire
- outfish
- outfits
- outflew
- outflow
- outfool
- outfoot
- outgain
- outgave
- outgive
- outglow
- outgnaw
- outgoes
- outgone
- outgrew
- outgrin
- outgrow
- outguns
- outgush
- outhaul
- outhear
- outhits
- outhowl
- outhunt
- outings
- outjinx
- outjump
- outjuts
- outkeep
- outkept
- outkick
- outkill
- outkiss
- outlaid
- outlain
- outland
- outlast
- outlaws
- outlays
- outleap
- outlets
- outlier
- outlies
- outline
- outlive
- outlook
- outlove
- outmans
- outmode
- outmost
- outmove
- outpace
- outpass
- outpity
- outplan
- outplay
- outplod
- outplot
- outpoll
- outport
- outpost
- outpour
- outpray
- outpull
- outpush
- outputs
- outrace
- outrage
- outrang
- outrank
- outrate
- outrave
- outread
- outride
- outring
- outroar
- outrock
- outrode
- outroll
- outroot
- outrows
- outrung
- outruns
- outrush
- outsail
- outsang
- outseen
- outsees
- outsell
- outsert
- outsets
- outshot
- outside
- outsing
- outsins
- outsits
- outsize
- outsoar
- outsold
- outsole
- outspan
- outsped
- outstay
- outsulk
- outsung
- outswam
- outswim
- outswum
- outtake
- outtalk
- outtask
- outtell
- outtold
- outtrot
- outturn
- outvied
- outvies
- outvote
- outwait
- outwalk
- outward
- outwars
- outwash
- outwear
- outweep
- outwent
- outwept
- outwile
- outwill
- outwind
- outwish
- outwits
- outwore
- outwork
- outworn
- outwrit
- outyell
- outyelp
OV 70
- ovality
- ovarial
- ovarian
- ovaries
- ovately
- ovation
- overact
- overage
- overall
- overapt
- overarm
- overate
- overawe
- overbed
- overbet
- overbid
- overbig
- overbuy
- overcoy
- overcut
- overdid
- overdog
- overdry
- overdub
- overdue
- overdye
- overeat
- overfar
- overfat
- overfed
- overfly
- overhot
- overing
- overjoy
- overlap
- overlax
- overlay
- overlet
- overlie
- overlit
- overman
- overmen
- overmix
- overnew
- overpay
- overply
- overran
- overrun
- oversad
- oversaw
- oversea
- oversee
- overset
- oversew
- oversup
- overtax
- overtip
- overtly
- overtop
- overuse
- overwet
- ovicide
- oviduct
- oviform
- ovipara
- ovisacs
- ovoidal
- ovonics
- ovulary
- ovulate
OW 2
- owllike
- ownable
OX 19
- oxalate
- oxazine
- oxblood
- oxcarts
- oxfords
- oxheart
- oxidant
- oxidase
- oxidate
- oxidise
- oxidize
- oxtails
- oxyacid
- oxygens
- oxymora
- oxyphil
- oxysalt
- oxysome
- oxytone
OY 2
- oyesses
- oysters
OZ 5
- ozonate
- ozonide
- ozonise
- ozonize
- ozonous
Do something with this list
The tools that use these words directly.
Common questions
How many seven-letter words start with O?
There are 618 seven-letter words beginning with O, all listed on this page in alphabetical order.
What are the most common seven-letter words starting with O?
Ranked by how often they appear in written English, the most common are: options, overall, outside, opinion, outdoor, offered, officer, opening. The full "most common" list is near the top of this page.
What is the highest-scoring seven-letter word starting with O in Scrabble?
ozonize scores 25 points on plain tiles, before any double- or triple-word squares. Premium squares and the 50-point bingo bonus can change the ranking completely.
Are proper nouns and abbreviations included?
No. The list only contains words from the ENABLE lexicon, which excludes proper nouns, abbreviations and hyphenated forms — the same rule tournament Scrabble and most word games follow. Read more on the methodology page.
Counted from a 172,749-word public-domain lexicon, last reviewed 2026-08-01. How this list was built.