Words starting with OS
Every word in the dictionary whose first 2 letters are OS — 210 of 172,823.
- Words
- 210
- Everyday
- 17in the size-ranked core
- Longest
- 182 words tie
- Shortest
- 2os
- oscillate
- oscillated
- oscillates
- oscillating
- oscillations
- oscilloscope
- osmosis
- ostensible
- ostensibly
- ostentation
- ostentatious
- ostracize
- ostracized
- ostracizes
- ostracizing
- ostrich
- ostriches
- os
- oscillation
- oscillator
- oscillators
- oscillatory
- oscilloscopes
- osculate
- osculated
- osculates
- osculating
- osculation
- osculations
- osier
- osiers
- osmium
- osmotic
- osprey
- ospreys
- ossicles
- ossification
- ossified
- ossifies
- ossify
- ossifying
- ostentatiously
- osteoarthritis
- osteopath
- osteopathic
- osteopaths
- osteopathy
- osteoporosis
- ostler
- ostlers
- ostracism
- osar
- oscillational
- oscillogram
- oscillograms
- oscillograph
- oscillographic
- oscillographically
- oscillographies
- oscillographs
- oscillography
- oscilloscopic
- oscine
- oscines
- oscitant
- oscula
- osculant
- oscular
- osculatory
- oscule
- oscules
- osculum
- osmatic
- osmeteria
- osmeterium
- osmic
- osmics
- osmious
- osmiridium
- osmiridiums
- osmiums
- osmol
- osmolal
- osmolalities
- osmolality
- osmolar
- osmolarities
- osmolarity
- osmole
- osmoles
- osmols
- osmometer
- osmometers
- osmometric
- osmometries
- osmometry
- osmoregulation
- osmoregulations
- osmoregulatory
- osmose
- osmosed
- osmoses
- osmosing
- osmotically
- osmous
- osmund
- osmunda
- osmundas
- osmunds
- osnaburg
- osnaburgs
- ossa
- ossein
- osseins
- osseous
- ossia
- ossicle
- ossicular
- ossific
- ossifications
- ossifier
- ossifiers
- ossifrage
- ossifrages
- ossuaries
- ossuary
- osteal
- osteitic
- osteitides
- osteitis
- ostensive
- ostensively
- ostensoria
- ostensorium
- ostentations
- ostentatiousness
- ostentatiousnesses
- osteoarthritic
- osteoarthritides
- osteoblast
- osteoblastic
- osteoblasts
- osteoclast
- osteoclastic
- osteoclasts
- osteocyte
- osteocytes
- osteogeneses
- osteogenesis
- osteogenic
- osteoid
- osteoids
- osteological
- osteologies
- osteologist
- osteologists
- osteology
- osteoma
- osteomalacia
- osteomalacias
- osteomas
- osteomata
- osteomyelitides
- osteomyelitis
- osteopathically
- osteopathies
- osteoplastic
- osteoplasties
- osteoplasty
- osteoporoses
- osteoporotic
- osteosarcoma
- osteosarcomas
- osteosarcomata
- osteoses
- osteosis
- osteosises
- ostia
- ostiaries
- ostiary
- ostinato
- ostinatos
- ostiolar
- ostiole
- ostioles
- ostium
- ostmark
- ostmarks
- ostomies
- ostomy
- ostoses
- ostosis
- ostosises
- ostraca
- ostracisms
- ostracod
- ostracode
- ostracoderm
- ostracoderms
- ostracodes
- ostracods
- ostracon
- ostrichlike
- oscinine
- ose
- oses
- ostracise
- ostracised
- ostracises
- ostracising
What is in this list
2 words tie at 18 letters: oscillographically and ostentatiousnesses.
They run from 2 to 18 letters; 32 of them have 7 letters, more than any other length.
17 of them — 8% — are in the everyday tier; the rest are filed as rarer.
Every one of them contains each of O and S.
The one furthest down the tiers is ostracising, filed in the unranked list.
2
13
14
35
56
187
328
249
2610
3011
2212
2313
1014
715
416
218
2
Other openings of 2 letters
Elsewhere
- All O…5,843
- ends ACK
- ends ADS
- ends AGE
- ends ALS
- ends AMS
- ends AND
- ends ANS
- ends ANT
- ends ARD
- ends ARS
- ends ARY
- ends ASE
Ordered everyday words first, then alphabetical inside each group — the same rule on every list here. At most 300 are printed on one page.