Nine-letter words starting with O
922 nine-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 nine-letter words starting with O
Ranked by how often they appear in written English.
- operating
- operation
- otherwise
- officials
- objective
- ownership
- operators
- organized
- obviously
- ourselves
- overnight
- orchestra
- offensive
- occasions
- obtaining
- offerings
- ordinance
- organizer
- occurring
- organised
- omissions
- opponents
- organisms
- offenders
Highest-scoring nine-letter words starting with O
Standard Scrabble tile values, before any board multipliers.
- oxazepams 29
- outdazzle 28
- ozonizing 28
- oxidizing 27
- ozonizers 27
- objectify 26
- oxidizers 26
- oxyphilic 26
- okeydokey 24
- outjinxed 24
- oxpeckers 24
- oxyphiles 24
- objective 23
- obliquely 23
- obliquity 23
- optimized 23
- orthodoxy 23
- outjinxes 23
- overjoyed 23
- overprize 23
- oxytocics 23
- oldsquaws 22
- optimizer 22
- optimizes 22
All 922 nine-letter words starting with O
OA 5
- oakmosses
- oarfishes
- oarswoman
- oarswomen
- oasthouse
OB 69
- obbligati
- obbligato
- obcordate
- obeahisms
- obedience
- obeisance
- obelising
- obelizing
- obesities
- obfuscate
- objectify
- objecting
- objection
- objective
- objectors
- objurgate
- oblations
- obligated
- obligates
- obligatos
- obliquely
- obliquing
- obliquity
- oblivions
- oblivious
- obloquies
- obnoxious
- obscenely
- obscenest
- obscenity
- obscurant
- obscurely
- obscurest
- obscuring
- obscurity
- obsequies
- observant
- observers
- observing
- obsessing
- obsession
- obsessive
- obsessors
- obsidians
- obsolesce
- obsoleted
- obsoletes
- obstacles
- obstetric
- obstinacy
- obstinate
- obstructs
- obtainers
- obtaining
- obtesting
- obtruders
- obtruding
- obtrusion
- obtrusive
- obtunding
- obturated
- obturates
- obturator
- obversely
- obverting
- obviating
- obviation
- obviators
- obviously
OC 33
- occasions
- occidents
- occipital
- occluding
- occlusion
- occlusive
- occulters
- occulting
- occultism
- occultist
- occupancy
- occupants
- occupiers
- occupying
- occurrent
- occurring
- oceanaria
- oceanauts
- ochlocrat
- ocotillos
- octagonal
- octahedra
- octameter
- octangles
- octillion
- octoploid
- octopodes
- octopuses
- octoroons
- octothorp
- octuplets
- octupling
- ocularist
OD 8
- odalisque
- oddnesses
- oddsmaker
- odographs
- odometers
- odontoids
- odorizing
- odorously
OE 7
- oedipally
- oeillades
- oenophile
- oesophagi
- oestriols
- oestrones
- oestruses
OF 19
- offenders
- offending
- offensive
- offerings
- offertory
- offhanded
- officered
- officials
- officiant
- officiary
- officiate
- officinal
- officious
- offloaded
- offprints
- offscreen
- offshoots
- offspring
- offstages
OG 1
- oghamists
OH 2
- ohmically
- ohmmeters
OI 5
- oilcloths
- oilpapers
- oilstones
- ointments
- oiticicas
OK 1
- okeydokey
OL 19
- oldnesses
- oldsquaws
- oldstyles
- oleanders
- oleasters
- olecranon
- oleograph
- oleoresin
- olfaction
- olfactory
- olibanums
- oligarchs
- oligarchy
- oligomers
- oligopoly
- oligurias
- olivenite
- ololiuqui
- olympiads
OM 11
- ombudsman
- ombudsmen
- omelettes
- ominously
- omissible
- omissions
- ommatidia
- omniarchs
- omnibuses
- omnirange
- omnivores
ON 16
- onanistic
- oncidiums
- oncogenes
- oncogenic
- oncologic
- oncomings
- ondograms
- onenesses
- onerously
- onionskin
- onlookers
- onlooking
- onomastic
- onrushing
- onslaught
- ontically
OO 9
- oogametes
- oogeneses
- oogenesis
- oogenetic
- oogoniums
- oolachans
- oologists
- oompahing
- oospheres
OP 56
- opacified
- opacifies
- opacities
- opalesced
- opalesces
- openworks
- operagoer
- operantly
- operatics
- operating
- operation
- operative
- operators
- operceles
- opercular
- opercules
- operculum
- operettas
- operosely
- ophidians
- ophiuroid
- opinioned
- opiumisms
- oppilated
- oppilates
- opponents
- opportune
- opposable
- opposites
- oppressed
- oppresses
- oppressor
- oppugners
- oppugning
- opsonized
- opsonizes
- optatives
- optically
- opticians
- opticists
- optimally
- optimised
- optimises
- optimisms
- optimists
- optimized
- optimizer
- optimizes
- optionals
- optionees
- optioning
- optometry
- opulences
- opulently
- opuscules
- opusculum
OR 58
- oralities
- orangeade
- orangerie
- orangiest
- orangutan
- oratories
- oratorios
- oratrices
- orbicular
- orchestra
- ordainers
- ordaining
- orderable
- orderless
- orderlies
- ordinance
- ordinands
- ordinates
- ordnances
- organdies
- organelle
- organised
- organiser
- organises
- organisms
- organists
- organized
- organizer
- organizes
- organzine
- orgiastic
- oribatids
- orientals
- orientate
- orienteer
- orienting
- orificial
- oriflamme
- origanums
- originals
- originate
- orinasals
- ornaments
- orneriest
- ornithine
- orogenies
- orography
- orologies
- orometers
- orphanage
- orphaning
- orpiments
- orrisroot
- orthicons
- orthodoxy
- orthoepic
- orthotics
- orthotist
OS 26
- oscillate
- osculated
- osculates
- osmeteria
- osmometer
- osmometry
- osnaburgs
- ossicular
- ossifiers
- ossifrage
- ossifying
- ossuaries
- ostensive
- osteocyte
- osteology
- osteomata
- osteopath
- ostiaries
- ostinatos
- ostosises
- ostracise
- ostracism
- ostracize
- ostracode
- ostracods
- ostriches
OT 6
- otherness
- otherwise
- otocystic
- otolithic
- otologies
- otoscopes
OU 284
- oubliette
- ouistitis
- ourselves
- outacting
- outadding
- outargued
- outargues
- outasking
- outbaking
- outbarked
- outbawled
- outbeamed
- outbegged
- outbidden
- outblazed
- outblazes
- outbleats
- outblooms
- outbluffs
- outboards
- outboasts
- outbought
- outboxing
- outbraved
- outbraves
- outbrawls
- outbreaks
- outbreeds
- outbribed
- outbribes
- outbuilds
- outbulked
- outburned
- outbursts
- outbuying
- outcapers
- outcastes
- outcaught
- outcavils
- outcharge
- outcharms
- outcheats
- outchided
- outchides
- outclimbs
- outcooked
- outcounts
- outcrawls
- outcrowed
- outcrying
- outcursed
- outcurses
- outcurves
- outdanced
- outdances
- outdaring
- outdating
- outdazzle
- outdebate
- outdesign
- outdodged
- outdodges
- outdoorsy
- outdreams
- outdreamt
- outdrinks
- outdriven
- outdrives
- outdueled
- outearned
- outeating
- outechoed
- outechoes
- outercoat
- outermost
- outerwear
- outfabled
- outfables
- outfacing
- outfasted
- outfawned
- outfeasts
- outfields
- outfights
- outfigure
- outfiring
- outfished
- outfishes
- outfitted
- outfitter
- outflanks
- outflowed
- outflying
- outfooled
- outfooted
- outfought
- outfoxing
- outfrowns
- outfumble
- outgained
- outgassed
- outgasses
- outgiving
- outglared
- outglares
- outglowed
- outgnawed
- outgoings
- outgroups
- outgrowth
- outguided
- outguides
- outgunned
- outgushes
- outhomers
- outhouses
- outhowled
- outhumors
- outhunted
- outhustle
- outjinxed
- outjinxes
- outjumped
- outjutted
- outkicked
- outkilled
- outkissed
- outkisses
- outlander
- outlasted
- outlaughs
- outlawing
- outlaying
- outleaped
- outlearns
- outlearnt
- outliners
- outlining
- outlivers
- outliving
- outloving
- outmanned
- outmoding
- outmoving
- outmuscle
- outnumber
- outpacing
- outpaints
- outpassed
- outpasses
- outpitied
- outpities
- outplayed
- outpoints
- outpolled
- outpoured
- outpowers
- outprayed
- outpreach
- outpreens
- outpriced
- outprices
- outpulled
- outpushed
- outpushes
- outputted
- outquoted
- outquotes
- outracing
- outraging
- outraised
- outraises
- outrances
- outranged
- outranges
- outranked
- outrating
- outraving
- outridden
- outriders
- outriding
- outrigger
- outrivals
- outroared
- outrocked
- outrolled
- outrooted
- outrowing
- outrushed
- outrushes
- outsailed
- outsavors
- outscheme
- outscolds
- outscoops
- outscored
- outscores
- outscorns
- outseeing
- outserved
- outserves
- outshamed
- outshames
- outshined
- outshines
- outshoots
- outshouts
- outsiders
- outsights
- outsinned
- outskated
- outskates
- outskirts
- outsleeps
- outslicks
- outsmarts
- outsmiled
- outsmiles
- outsmoked
- outsmokes
- outsnored
- outsnores
- outsoared
- outspeaks
- outspeeds
- outspells
- outspends
- outspoken
- outspread
- outsprint
- outstands
- outstared
- outstares
- outstarts
- outstated
- outstates
- outstayed
- outsteers
- outstride
- outstrips
- outstrode
- outstunts
- outsulked
- outswears
- outtalked
- outtasked
- outthanks
- outthinks
- outthrobs
- outthrown
- outthrows
- outthrust
- outtowers
- outtraded
- outtrades
- outtricks
- outtrumps
- outvalued
- outvalues
- outvaunts
- outvoiced
- outvoices
- outvoting
- outwaited
- outwalked
- outwardly
- outwarred
- outwashes
- outwasted
- outwastes
- outweighs
- outwhirls
- outwiling
- outwilled
- outwinded
- outwished
- outwishes
- outwitted
- outworked
- outworker
- outwrites
- outyelled
- outyelped
- outyields
OV 257
- ovalbumin
- ovalities
- ovarioles
- ovenbirds
- ovenproof
- ovenwares
- overacted
- overalert
- overalled
- overawing
- overbaked
- overbakes
- overbears
- overbeats
- overbills
- overbites
- overblown
- overblows
- overboard
- overboils
- overbooks
- overborne
- overbrief
- overbroad
- overbuild
- overbuilt
- overburns
- overburnt
- overcalls
- overcasts
- overchill
- overclaim
- overclean
- overclear
- overcloud
- overcoach
- overcoats
- overcomer
- overcomes
- overcooks
- overcools
- overcount
- overcrams
- overcrops
- overcrowd
- overcured
- overcures
- overdared
- overdares
- overdecks
- overdoers
- overdoing
- overdosed
- overdoses
- overdraft
- overdrank
- overdrawn
- overdraws
- overdress
- overdried
- overdries
- overdrink
- overdrive
- overdrove
- overdrunk
- overeager
- overeaten
- overeater
- overedits
- overemote
- overexert
- overfavor
- overfears
- overfeeds
- overfills
- overflies
- overflown
- overflows
- overfocus
- overfunds
- overfussy
- overgilds
- overgirds
- overglaze
- overgoads
- overgraze
- overgrown
- overgrows
- overhands
- overhangs
- overhasty
- overhated
- overhates
- overhauls
- overheads
- overheaps
- overheard
- overhears
- overheats
- overholds
- overhoped
- overhopes
- overhunts
- overhyped
- overhypes
- overissue
- overjoyed
- overkills
- overlabor
- overladed
- overladen
- overlades
- overlands
- overlarge
- overleaps
- overleapt
- overlearn
- overlends
- overlight
- overlived
- overlives
- overloads
- overlooks
- overlords
- overloved
- overloves
- overlying
- overmatch
- overmelts
- overmilks
- overmined
- overmines
- overmixed
- overmixes
- overnight
- overpedal
- overplaid
- overplans
- overplant
- overplays
- overplied
- overplies
- overplots
- overpower
- overprice
- overprint
- overprize
- overproof
- overpumps
- overrated
- overrates
- overreach
- overreact
- overrides
- overrigid
- overruffs
- overruled
- overrules
- oversales
- oversalts
- oversauce
- oversaved
- oversaves
- overscale
- overseeds
- overseers
- oversells
- oversewed
- oversexed
- overshirt
- overshoes
- overshoot
- overshots
- oversides
- oversight
- oversized
- oversizes
- overskirt
- oversleep
- overslept
- overslips
- overslipt
- oversmoke
- oversoaks
- oversouls
- overspend
- overspent
- overspill
- overspins
- overstaff
- overstate
- overstays
- oversteer
- oversteps
- overstirs
- overstock
- overstory
- overstrew
- overstuff
- oversweet
- overswing
- overswung
- overtaken
- overtakes
- overtalks
- overtasks
- overtaxed
- overtaxes
- overthink
- overthrew
- overthrow
- overtimed
- overtimes
- overtired
- overtires
- overtness
- overtoils
- overtones
- overtrade
- overtrain
- overtreat
- overtrick
- overtrims
- overtrump
- overtured
- overtures
- overturns
- overurged
- overurges
- overusing
- overvalue
- overviews
- overvivid
- overvoted
- overvotes
- overwarms
- overwater
- overwears
- overweary
- overweens
- overweigh
- overwhelm
- overwinds
- overwords
- overworks
- overwound
- overwrite
- overwrote
- overzeals
- oviductal
- oviparous
- oviposits
- ovotestes
- ovotestis
- ovulating
- ovulation
- ovulatory
OW 1
- ownership
OX 18
- oxacillin
- oxalating
- oxazepams
- oxidating
- oxidation
- oxidative
- oxidisers
- oxidising
- oxidizers
- oxidizing
- oxpeckers
- oxtongues
- oxygenate
- oxymorons
- oxyphiles
- oxyphilic
- oxytocics
- oxytocins
OY 4
- oysterers
- oystering
- oysterman
- oystermen
OZ 7
- ozocerite
- ozokerite
- ozonating
- ozonation
- ozonising
- ozonizers
- ozonizing
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Common questions
How many nine-letter words start with O?
There are 922 nine-letter words beginning with O, all listed on this page in alphabetical order.
What are the most common nine-letter words starting with O?
Ranked by how often they appear in written English, the most common are: operating, operation, otherwise, officials, objective, ownership, operators, organized. The full "most common" list is near the top of this page.
What is the highest-scoring nine-letter word starting with O in Scrabble?
oxazepams scores 29 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.