Words that start with 'os' and contain 'o'


This is a popular choice of words, so much in fact there exists over 100 words from the dictionary to select.

4 letter words

  • oslo

5 letter words

  • osmol
  • osone

6 letter words

  • osmols
  • osmond
  • osmose
  • osmous
  • osophy
  • ospore
  • ostomy
  • oswego

7 letter words

  • osazone
  • oscnode
  • osmious
  • osmolal
  • osmolar
  • osmosed
  • osmoses
  • osmosis
  • osmotic
  • osseous
  • osteoid
  • osteoma
  • osteome
  • ostiole
  • ostoses
  • ostosis

8 letter words

  • oscheoma
  • osmazome
  • osmogene
  • osmology
  • osmosing
  • osoberry
  • osophies
  • osophone
  • ossiform
  • osteogen
  • osteoids
  • osteomas
  • osteosis
  • ostinato
  • ostiolar
  • ostioles
  • ostomies
  • ostracod
  • ostracon
  • ostreoid

9 letter words

  • osmograph
  • osmometer
  • osmometry
  • osmondite
  • osmophore
  • osmorhiza
  • osmoscope
  • osmotaxis
  • osseously
  • ostectomy
  • ostension
  • ostensory
  • ostentous
  • osteocele
  • osteocyte
  • osteoderm
  • osteogeny
  • osteolite
  • osteology
  • osteomata
  • osteomere
  • osteoncus
  • osteopath
  • osteotome
  • osteotomy
  • ostinatos
  • ostiolate
  • ostomatid
  • ostosises
  • ostracion
  • ostracoda
  • ostracode
  • ostracods
  • ostracoid
  • ostrogoth

10 letter words

  • oscheocele
  • oscheolith
  • oscheoncus
  • oscillator
  • oscitation
  • osculation
  • osculatory
  • osmidrosis
  • osmolagnia
  • osmolality
  • osmolarity
  • osmometric
  • osmophobia
  • osmotactic
  • osoberries
  • osphyocele
  • ossiferous
  • ossivorous
  • osteectomy
  • osteectopy
  • ostensoria
  • osteoblast
  • osteoclast
  • osteocolla
  • osteocomma
  • osteodynia
  • osteogenic
  • osteolepis
  • osteolysis
  • osteolytic
  • osteologer
  • osteologic
  • osteomancy
  • osteomanty
  • osteometry
  • osteopathy
  • osteopaths
  • osteophage
  • osteophyma
  • osteophyte
  • osteophone
  • osteophony
  • osteophore
  • osteoplast
  • osteoscope

11 letter words

  • oschophoria
  • oscillation
  • oscillatory
  • oscillators
  • oscillogram
  • osculations
  • osmazomatic
  • osmotherapy
  • osmotically
  • osotriazine
  • osotriazole
  • osseomucoid
  • ostectomies
  • osteectopia
  • ostensories
  • ostensorium
  • ostentation
  • osteoclasia
  • osteoclasis
  • osteoclasty
  • osteodentin
  • osteodermal
  • osteodermia
  • osteodermis
  • osteogenist
  • osteogenous
  • osteography
  • osteologies
  • osteologist
  • osteomatoid
  • osteometric
  • osteopathic
  • osteopedion
  • osteophagia
  • osteophytic
  • osteoplaque
  • osteoplasty
  • osteostixis
  • osteostraci
  • osteosuture
  • osteotomies
  • osteotomist
  • osteotrophy
  • ostracoderm
  • ostracodous

12 letter words

  • oscheoplasty
  • oscillations
  • oscillatoria
  • oscillograph
  • oscillometer
  • oscillometry
  • oscilloscope
  • osculatories
  • osculiferous
  • osmazomatous
  • osmundaceous
  • osseofibrous
  • ossiculotomy
  • ossification
  • ossificatory
  • ostariophysi
  • osteectomies
  • ostentatious
  • osteoblastic
  • osteocystoma
  • osteoclastic
  • osteocranium
  • osteodentine
  • osteodermous
  • osteofibroma
  • osteofibrous
  • osteogenesis
  • osteogenetic
  • osteoglossid
  • osteoglossum
  • osteographer
  • osteolepidae
  • osteological
  • osteomalacia
  • osteomalacic
  • osteopaedion
  • osteopathies
  • osteopathist
  • osteoplastic
  • osteoporosis
  • osteoporotic
  • osteorrhaphy
  • osteosarcoma
  • osteostomous
  • osteostracan

13 letter words

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

14 letter words

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

15 letter words

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

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

In Scrabble, what's the highest possible score you can get from this list of words that start with 'os' and include 'o'?
With the huge number of words from which to select, your best bet is 'osmazome' which scores 21 points.

What word that starts with 'os' and includes 'o' is the most unique?
Arguably one of the most peculiar words from this list is 'osteological'. According to the English dictionary, 'osteological' means "Of or pertaining to osteology. -- Os`te*o*log"ic*al*ly, adv.".

How many letters are in the longest word on this page?
The biggest word is 19 letters long, which is 'osteochondrofibroma'.

How many usable words are possible to make with this combination of letters?
There are 330 outstanding words for you to select from.

What is the most common word that starts with 'os' and includes 'o'?
The most well-known word for your search is 'ostentation'.