Six-letter words starting with O
325 six-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 six-letter words starting with O
Ranked by how often they appear in written English.
- office
- offers
- others
- orders
- object
- option
- owners
- output
- orange
- origin
- obtain
- opened
- outlet
- oxford
- oracle
- occurs
- oldest
- offset
- oxygen
- optics
- orgasm
- orgies
- organs
- outfit
Highest-scoring six-letter words starting with O
Standard Scrabble tile values, before any board multipliers.
- offkey 19
- oozily 18
- oxbows 18
- object 17
- opaque 17
- oxford 17
- oxygen 17
- ozonic 17
- onyxes 16
- oozing 16
- oryxes 16
- outfox 16
- oxeyes 16
- oxidic 16
- objets 15
- occupy 15
- offish 15
- oozier 15
- outbox 15
- ouzels 15
- oxalic 15
- oxcart 15
- oximes 15
- oxlips 15
All 325 six-letter words starting with O
OA 4
- oafish
- oakums
- oaring
- oaters
OB 22
- obeahs
- obelia
- obelus
- obeyed
- obeyer
- obiism
- object
- objets
- oblast
- oblate
- oblige
- oblong
- oboist
- oboles
- obolus
- obsess
- obtain
- obtect
- obtest
- obtund
- obtuse
- obvert
OC 26
- occult
- occupy
- occurs
- oceans
- ocelli
- ocelot
- ochers
- ochery
- ochone
- ochrea
- ochred
- ochres
- ockers
- ocreae
- octads
- octane
- octans
- octant
- octave
- octavo
- octets
- octopi
- octroi
- octyls
- ocular
- oculus
OD 11
- oddest
- oddish
- oddity
- odeons
- odeums
- odious
- odists
- odiums
- odored
- odours
- odyles
OE 2
- oedema
- oeuvre
OF 10
- offals
- offcut
- offend
- offers
- office
- offing
- offish
- offkey
- offset
- oftest
OG 9
- ogdoad
- oghams
- ogival
- ogives
- oglers
- ogling
- ogress
- ogrish
- ogrism
OH 1
- ohmage
OI 11
- oidium
- oilcan
- oilcup
- oilers
- oilier
- oilily
- oiling
- oilman
- oilmen
- oilway
- oinked
OK 2
- okapis
- okayed
OL 9
- oldest
- oldies
- oldish
- oleate
- olefin
- oleine
- oleins
- oleums
- olives
OM 7
- omasum
- ombers
- ombres
- omegas
- omelet
- omened
- omenta
ON 10
- onager
- onagri
- onions
- oniony
- onrush
- onsets
- onside
- onuses
- onward
- onyxes
OO 19
- oocyst
- oocyte
- oodles
- oogamy
- oogeny
- oohing
- oolite
- oolith
- oology
- oolong
- oomiac
- oomiak
- oompah
- oomphs
- oorali
- ootids
- oozier
- oozily
- oozing
OP 21
- opaque
- opened
- opener
- openly
- operas
- operon
- ophite
- opiate
- opined
- opines
- opioid
- opiums
- oppose
- oppugn
- opsins
- optics
- optima
- optime
- opting
- option
- opuses
OR 51
- orache
- oracle
- orally
- orange
- orangs
- orangy
- orated
- orates
- orator
- orbier
- orbing
- orbits
- orcein
- orchid
- orchil
- orchis
- orcins
- ordain
- ordeal
- orders
- ordure
- oreads
- oreide
- orfray
- organa
- organs
- orgasm
- orgeat
- orgiac
- orgies
- orgone
- oribis
- oriels
- orient
- origan
- origin
- oriole
- orison
- orlops
- ormers
- ormolu
- ornate
- ornery
- oroide
- orphan
- orphic
- orpine
- orpins
- orrery
- orrice
- oryxes
OS 18
- oscine
- oscula
- oscule
- osiers
- osmics
- osmium
- osmole
- osmols
- osmose
- osmous
- osmund
- osprey
- ossein
- ossify
- osteal
- ostium
- ostler
- ostomy
OT 8
- otalgy
- others
- otiose
- otitic
- otitis
- ottars
- ottava
- otters
OU 52
- ouched
- ouches
- oughts
- ounces
- ouphes
- ourang
- ourari
- ourebi
- ousels
- ousted
- ouster
- outact
- outadd
- outage
- outask
- outate
- outbeg
- outbid
- outbox
- outbuy
- outbye
- outcry
- outdid
- outeat
- outers
- outfit
- outfly
- outfox
- outgas
- outgun
- outhit
- outing
- outjut
- outlaw
- outlay
- outlet
- outlie
- outman
- output
- outran
- outrow
- outrun
- outsat
- outsaw
- outsee
- outset
- outsin
- outsit
- outvie
- outwar
- outwit
- ouzels
OV 12
- ovally
- overdo
- overed
- overly
- ovibos
- ovines
- ovisac
- ovoids
- ovolos
- ovonic
- ovular
- ovules
OW 4
- owlets
- owlish
- owners
- owning
OX 13
- oxalic
- oxalis
- oxbows
- oxcart
- oxeyes
- oxford
- oxides
- oxidic
- oximes
- oxlips
- oxtail
- oxters
- oxygen
OY 1
- oyster
OZ 2
- ozones
- ozonic
Do something with this list
The tools that use these words directly.
Common questions
How many six-letter words start with O?
There are 325 six-letter words beginning with O, all listed on this page in alphabetical order.
What are the most common six-letter words starting with O?
Ranked by how often they appear in written English, the most common are: office, offers, others, orders, object, option, owners, output. The full "most common" list is near the top of this page.
What is the highest-scoring six-letter word starting with O in Scrabble?
offkey scores 19 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.