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


With a wide variety of choices (257 entries), there's definitely no limit.

4 letter words

  • osar

5 letter words

  • oscar
  • osier
  • oskar

6 letter words

  • oscars
  • osiery
  • osiers
  • osiris
  • osperm
  • ospore
  • osprey
  • ostara
  • ostler
  • ostrca
  • ostrea
  • ostrya

7 letter words

  • oscular
  • osiered
  • osirian
  • osiride
  • osirify
  • osirism
  • osmerus
  • osmolar
  • osphere
  • ospreys
  • osseter
  • ossuary
  • osteria
  • ostiary
  • ostlers
  • ostmark
  • ostraca
  • ostrich

8 letter words

  • osieries
  • osnaburg
  • osnappar
  • osoberry
  • ossarium
  • ossature
  • ossifier
  • ossiform
  • ostiolar
  • ostlerie
  • ostmarks
  • ostracea
  • ostracod
  • ostracon
  • ostracum
  • ostraite
  • ostreger
  • ostreoid

9 letter words

  • oscarella
  • osierlike
  • osiridean
  • osmateria
  • osmeridae
  • osmeteria
  • osmograph
  • osmometer
  • osmometry
  • osmophore
  • osmorhiza
  • osnaburgs
  • osphradia
  • osphresis
  • osphretic
  • ossicular
  • ossifiers
  • ossifrage
  • ossuaries
  • ossuarium
  • ostensory
  • osteoderm
  • osteomere
  • ostiaries
  • ostiarius
  • ostleress
  • ostracean
  • ostracine
  • ostracion
  • ostracise
  • ostracism
  • ostracite
  • ostracize
  • ostracoda
  • ostracode
  • ostracods
  • ostracoid
  • ostreidae
  • ostriches
  • ostringer
  • ostrogoth

10 letter words

  • oscillaria
  • oscillator
  • oscularity
  • osculatory
  • osculatrix
  • osiandrian
  • osmaterium
  • osmeterium
  • osmidrosis
  • osmiridium
  • osmolarity
  • osmometric
  • osoberries
  • osphradial
  • osphradium
  • ossiferous
  • ossivorous
  • ostensoria
  • osteologer
  • osteometry
  • osteophore
  • osteotribe
  • osteotrite
  • ostertagia
  • ostraceous
  • ostracioid
  • ostracized
  • ostracizer
  • ostracizes
  • ostracodan
  • ostraeacea
  • ostreiform

11 letter words

  • oschophoria
  • oscillatory
  • oscillators
  • oscillogram
  • oscurantist
  • osmotherapy
  • osotriazine
  • osotriazole
  • ostensories
  • ostensorium
  • osteodermal
  • osteodermia
  • osteodermis
  • osteography
  • osteometric
  • osteostraci
  • osteosuture
  • osteotrophy
  • ostraciidae
  • ostracizing
  • ostracoderm
  • ostracodous
  • ostracoidea
  • ostreaceous
  • ostreophage
  • ostrichlike
  • ostrogothic

12 letter words

  • oscarellidae
  • oscillatoria
  • oscillograph
  • oscillometer
  • oscillometry
  • osculatories
  • osculatrixes
  • osculiferous
  • oscurrantist
  • osseofibrous
  • ossificatory
  • ossifrangent
  • ostariophysi
  • ostarthritis
  • osteocranium
  • osteodermous
  • osteofibroma
  • osteofibrous
  • osteographer
  • osteoporosis
  • osteoporotic
  • osteorrhaphy
  • osteosarcoma
  • osteostracan
  • osteotrophic
  • ostracizable
  • ostracodermi
  • ostracophore
  • ostracophori
  • ostrogothian

13 letter words

  • oscillatorian
  • oscillography
  • oscillometric
  • osirification
  • osmodysphoria
  • osphresiology
  • osphromenidae
  • ostariophysan
  • osteanabrosis
  • ostearthritis
  • ostensorsoria
  • osteoaneurysm
  • osteogangrene
  • osteometrical
  • osteonecrosis
  • osteopetrosis
  • ostracization
  • ostreiculture
  • ostreophagist
  • ostreophagous

14 letter words

  • oscillariaceae
  • oscillographic
  • oscillometries
  • osmometrically
  • osmoregulation
  • osmoregulatory
  • osphyarthritis
  • osphresiologic
  • osphresiometer
  • osphresiometry
  • ostariophyseae
  • ostariophysial
  • ostariophysous
  • ostearthrotomy
  • osteoarthritic
  • osteoarthritis
  • osteocarcinoma
  • osteochondroma
  • osteochondrous
  • osteodermatous
  • osteodystrophy
  • osteoneuralgia
  • osteoscleroses
  • osteosclerosis
  • osteosclerotic
  • ostracophorous
  • ostreicultural

15 letter words

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

16 letter words

  • oscillatoriaceae
  • osseoaponeurotic
  • osteoarthropathy
  • osteoenchondroma
  • osteoperiostitis
  • osteosarcomatous

17 letter words

  • oscillatoriaceous
  • osteochondropathy
  • osteochondrophyte
  • osteohalisteresis
  • ostreodynamometer

18 letter words

  • oscillographically
  • osseocartilaginous
  • osteocartilaginous
  • osteochondromatous

19 letter words

  • osteochondrofibroma
  • osteochondrosarcoma

Is there a specific word from this page which might be deemed as interesting in any regard?
One of the most peculiar words from this list is 'osmograph'. According to the English dictionary, 'osmograph' means "An instrument for recording the height of the liquid in an endosmometer or for registering osmotic pressures.".

How many letters are in the biggest word on this list?
'Osteochondrofibroma'

How many words are possible to make from this combination of letters?
From this page of words that start with 'os' and contain 'r', you have 257 combinations which are available.

Which word on this page ranks as the most common?
When it comes to popular words, there's 'ostrich' which is the 26225th most common word.

What is the highest scoring word you can play in Scrabble ?
With countless words to select from, we'd advise going for 'ostmarks' scoring 14 points in total.