Words beginning with 'os'


With so many words to pick from (577 entries), the sky's your limit.

2 letter words

  • os

3 letter words

  • osc
  • ose
  • osi

4 letter words

  • osar
  • oses
  • oslo
  • ossa
  • osse

5 letter words

  • osage
  • osaka
  • oscan
  • oscar
  • oscin
  • osela
  • oshac
  • oshea
  • oside
  • osier
  • oskar
  • osmic
  • osmin
  • osmol
  • osone
  • ossal
  • ossea
  • osset
  • ossia
  • ostia
  • ostic

6 letter words

  • osages
  • osamin
  • oscars
  • oscine
  • oscula
  • oscule
  • osella
  • oselle
  • osiery
  • osiers
  • osiris
  • osmate
  • osmics
  • osmina
  • osmite
  • osmium
  • osmols
  • osmond
  • osmose
  • osmous
  • osmund
  • osophy
  • osperm
  • ospore
  • osprey
  • ossein
  • ossian
  • ossify
  • ostara
  • osteal
  • ostein
  • ostend
  • ostent
  • ostyak
  • ostial
  • ostium
  • ostler
  • ostmen
  • ostomy
  • ostrca
  • ostrea
  • ostrya
  • ostsis
  • oswald
  • oswego

7 letter words

  • osamine
  • osazone
  • oscella
  • oscheal
  • oscines
  • oscinis
  • oscnode
  • oscular
  • oscules
  • osculum
  • osiered
  • osirian
  • osiride
  • osirify
  • osirism
  • osmanie
  • osmanli
  • osmatic
  • osmerus
  • osmesis
  • osmetic
  • osmious
  • osmiums
  • osmolal
  • osmolar
  • osmosed
  • osmoses
  • osmosis
  • osmotic
  • osmunda
  • osmunds
  • osphere
  • ospreys
  • osseins
  • osselet
  • osseous
  • osseter
  • ossetic
  • ossicle
  • ossific
  • ossuary
  • ostemia
  • osteoid
  • osteoma
  • osteome

8 letter words

  • oscheoma
  • oscinian
  • oscinine
  • oscitant
  • oscitate
  • osculant
  • osculate
  • osieries
  • osmatism
  • osmazome
  • osmiamic
  • osmogene
  • osmology
  • osmosing
  • osmundas
  • osnaburg
  • osnappar
  • osoberry
  • osophies
  • osophone
  • ossarium
  • ossature
  • ossetian
  • ossetine
  • ossetish
  • ossianic
  • ossicles
  • ossicula
  • ossicule
  • ossified
  • ossifier
  • ossifies
  • ossiform
  • ossypite
  • ostalgia
  • osteitic
  • osteitis
  • osteogen
  • osteoids
  • osteomas
  • osteosis
  • ostinato
  • ostiolar
  • ostioles
  • ostlerie

9 letter words

  • oscarella
  • oscheitis
  • oscillant
  • oscillate
  • oscinidae
  • oscitance
  • oscitancy
  • osculable
  • osculated
  • osculates
  • osierlike
  • osiridean
  • osmanthus
  • osmateria
  • osmeridae
  • osmeteria
  • osmograph
  • osmometer
  • osmometry
  • osmondite
  • osmophore
  • osmorhiza
  • osmoscope
  • osmotaxis
  • osmundine
  • osnaburgs
  • osphyitis
  • osphradia
  • osphresis
  • osphretic
  • ossements
  • osseously
  • ossianism
  • ossianize
  • ossicular
  • ossiculum
  • ossifiers
  • ossifying
  • ossifrage
  • ossuaries
  • ossuarium
  • ostealgia
  • ostectomy
  • ostension
  • ostensive

10 letter words

  • oscheocele
  • oscheolith
  • oscheoncus
  • oscillance
  • oscillancy
  • oscillaria
  • oscillated
  • oscillates
  • oscillator
  • oscitantly
  • oscitation
  • oscularity
  • osculating
  • osculation
  • osculatory
  • osculatrix
  • osiandrian
  • osmaterium
  • osmeterium
  • osmidrosis
  • osmiridium
  • osmolagnia
  • osmolality
  • osmolarity
  • osmometric
  • osmophobia
  • osmotactic
  • osoberries
  • osphyalgia
  • osphyalgic
  • osphyocele
  • osphradial
  • osphradium
  • ossiculate
  • ossiferous
  • ossifluent
  • ossivorous
  • osteectomy
  • osteectopy
  • osteitides
  • ostensible
  • ostensibly
  • ostensoria
  • osteoblast
  • osteoclast

11 letter words

  • oschophoria
  • oscillating
  • oscillation
  • oscillative
  • oscillatory
  • oscillators
  • oscillogram
  • oscitancies
  • osculations
  • oscurantist
  • osmazomatic
  • osmotherapy
  • osmotically
  • osmundaceae
  • osotriazine
  • osotriazole
  • osseomucoid
  • ossianesque
  • ossiculated
  • ossifluence
  • ostectomies
  • osteectopia
  • ostempyesis
  • ostensively
  • ostensories
  • ostensorium
  • ostentation
  • osteoclasia
  • osteoclasis
  • osteoclasty
  • osteodentin
  • osteodermal
  • osteodermia
  • osteodermis
  • osteogenist
  • osteogenous
  • osteography
  • osteologies
  • osteologist
  • osteomatoid
  • osteometric
  • osteopathic
  • osteopedion
  • osteophagia
  • osteophytic

12 letter words

  • oscarellidae
  • oscheoplasty
  • oscillations
  • oscillatoria
  • oscillograph
  • oscillometer
  • oscillometry
  • oscilloscope
  • osculatories
  • osculatrixes
  • osculiferous
  • oscurrantist
  • osmazomatous
  • osmundaceous
  • osseofibrous
  • ossiculotomy
  • ossification
  • ossificatory
  • ossifrangent
  • ostariophysi
  • ostarthritis
  • osteectomies
  • osteichthyes
  • ostentatious
  • osteoblastic
  • osteocystoma
  • osteoclastic
  • osteocranium
  • osteodentine
  • osteodermous
  • osteofibroma
  • osteofibrous
  • osteogenesis
  • osteogenetic
  • osteoglossid
  • osteoglossum
  • osteographer
  • osteolepidae
  • osteological
  • osteomalacia
  • osteomalacic
  • osteopaedion
  • osteopathies
  • osteopathist
  • osteoplastic

13 letter words

  • oscillational
  • oscillatively
  • oscillatorian
  • oscillography
  • oscillometric
  • oscilloscopes
  • oscilloscopic
  • osirification
  • osmodysphoria
  • osphyomelitis
  • osphresiology
  • osphromenidae
  • ossiculectomy
  • ossifications
  • ostariophysan
  • osteanabrosis
  • ostearthritis
  • ostensibility
  • ostensorsoria
  • osteoaneurysm
  • osteoblastoma
  • osteocachetic
  • osteodentinal
  • osteogangrene
  • osteoglossoid
  • osteomalacial
  • osteometrical
  • osteomyelitis
  • osteonecrosis
  • osteopetrosis
  • osteoplasties
  • osteosteatoma
  • ostracization
  • ostreiculture
  • ostreophagist
  • ostreophagous

14 letter words

  • oscillariaceae
  • oscillographic
  • oscillometries
  • osmometrically
  • osmoregulation
  • osmoregulatory
  • osphyarthritis
  • osphresiologic
  • osphresiometer
  • osphresiometry
  • ostariophyseae
  • ostariophysial
  • ostariophysous
  • osteanagenesis
  • ostearthrotomy
  • ostentatiously
  • osteoarthritic
  • osteoarthritis
  • osteocarcinoma
  • osteocephaloma
  • osteochondroma
  • osteochondrous
  • osteodermatous
  • osteodiastasis
  • osteodystrophy
  • osteoepiphysis
  • osteoglossidae
  • osteologically
  • osteoneuralgia
  • osteophlebitis
  • osteoscleroses
  • osteosclerosis
  • osteosclerotic
  • osteosynovitis
  • osteosynthesis
  • osteostomatous
  • ostracophorous
  • ostreicultural

15 letter words

  • oscheocarcinoma
  • oscillariaceous
  • oscillographies
  • osphresiolagnia
  • osphresiologist
  • osphresiophilia
  • osseoalbuminoid
  • ostensibilities
  • osteoarthrotomy
  • osteochondritis
  • osteopathically
  • osteoperiosteal
  • osteothrombosis
  • ostreiculturist

16 letter words

  • oscillatoriaceae
  • osseoaponeurotic
  • ostentatiousness
  • osteoarthropathy
  • osteoencephaloma
  • osteoenchondroma
  • osteoperiostitis
  • osteosarcomatous

17 letter words

  • oscillatoriaceous
  • oscilloscopically
  • osteochondropathy
  • osteochondrophyte
  • osteohalisteresis
  • ostreodynamometer

18 letter words

  • oscillographically
  • osseocartilaginous
  • osteocartilaginous
  • osteochondromatous

19 letter words

  • osteochondrofibroma
  • osteochondrosarcoma

How many letters does the longest word on this page contain?
The biggest word one could assemble from this list is 'osteochondrofibroma', and it is made up of 19 characters.

Which word on this page ranks as the most common?
We've identified that 'os' is the 6250th most common word.

How many words can you make using the specified combination?
From this page of words beginning with 'os', there are 577 unique combinations which are possible overall.

Which word from this list is the most unusual?
'Osteotomist' is certainly the most unusual word from our list of words that start with 'os'. 'Osteotomist' is defined as "One skilled in osteotomy.", according to the English dictionary.

What's the highest scoring word you can play in Scrabble ?
With the massive number of words to choose from, we would advise selecting 'osmazome' which scores 21 points overall.