Words beginning with 'os'


Take a moment and select from an enormous list of 577 entries for words which start with 'os'.

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

Which word in particular from this list is made up of the highest number of letters?
The word 'osteochondrofibroma' contains 19 characters.

What's the most popular word that starts with 'os' in the dictionary?
A well-known word for the combination you searched is 'os'.

What is an unusual word from this page?
One of the most peculiar words from this page is 'osteotomist'. It is defined as "One skilled in osteotomy.".

How many usable words are possible to put together using the combination you've searched for?
You can assemble 577 words from the specified letter combination.

In Scrabble, what is the highest number of points possible from words that start with 'os'?
With an enormous 577 entries, we'd recommend selecting 'osmazome' scoring 21 points.