Words Starting With OS

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18 letter words
OSCILLOGRAPHICALLY​31
OSTENTATIOUSNESSES​18
16 letter words
OSTENTATIOUSNESS​16
OSTEOARTHRITIDES​20
15 letter words (8 words)
OSCILLOGRAPHIES​23
OSMOREGULATIONS​18
OSTENSIBILITIES​17
OSTEOARTHRITICS​20
OSTEOMYELITIDES​21
OSTEOMYELITISES​20
OSTEOPATHICALLY​25
OSTREICULTURIST​17
14 letter words (13 words)
OSTEOARTHRITIS​17
OSTENTATIOUSLY​17
OSTEOARTHRITIC​19
OSMOREGULATION​17
OSTEOARTHROSIS​17
OSCILLOGRAPHIC​24
OSMOMETRICALLY​23
OSMOREGULATORY​20
OSTEOARTHROSES​17
OSTEODERMATOUS​17
OSTEOLOGICALLY​20
OSTEOSARCOMATA​18
OSTREICULTURES​16
13 letter words (22 words)
OSCILLOSCOPES​19
OSTEOMYELITIS​18
OSTEOPETROSIS​15
OSCILLATIONAL​15
OSCILLOGRAPHS​21
OSCILLOGRAPHY​24
OSCILLOSCOPIC​21
OSSIFICATIONS​18
OSTEICHTHYANS​24
OSTENSIBILITY​18
OSTEOFIBROSES​18
OSTEOFIBROSIS​18
OSTEOGRAPHIES​19
OSTEOMALACIAL​17
OSTEOMALACIAS​17
OSTEOPATHISTS​18
OSTEOPETROSES​15
OSTEOPLASTIES​15
OSTEOSARCOMAS​17
OSTREICULTURE​15
12 letter words (32 words)
OSTEOPOROSIS​14
OSCILLATIONS​14
OSCILLOSCOPE​18
OSTEOSARCOMA​16
OSTEOGENESIS​13
OSSIFICATION​17
OSTENTATIOUS​12
OSTEOPOROTIC​16
OSTEOMALACIA​16
OSTEOBLASTIC​16
OSTEOCLASTIC​16
OSCILLOGRAMS​17
OSCILLOGRAPH​20
OSCULATORIES​14
OSMOLALITIES​14
OSMOLARITIES​14
OSTEICHTHYAN​23
OSTENTATIONS​12
OSTEODERMOUS​15
OSTEOGENESES​13
11 letter words (45 words)
OSCILLATION​13
OSTEOPATHIC​18
OSCILLATORS​13
OSCILLATING​14
OSCILLATORY​16
OSTEOBLASTS​13
OSTEOCLASTS​13
OSTENTATION​11
OSTEOTOMIES​13
OSMOTICALLY​18
OSTEOPHYTES​19
OSCILLATIVE​16
OSCILLOGRAM​16
OSCITANCIES​15
OSCITATIONS​13
OSCULATIONS​13
OSMIRIDIUMS​16
OSMOMETRIES​15
OSTENSIVELY​17
OSTENSORIES​11
10 letter words (51 words)
OSCILLATOR​12
OSTENSIBLY​15
OSTEOPATHY​18
OSTEOPATHS​15
OSTENSIBLE​12
OSTRACIZED​22
OSCILLATES​12
OSTEOBLAST​12
OSMOLALITY​15
OSTEOCLAST​12
OSTEOGENIC​13
OSMOLARITY​15
OSTRACISED​13
OSCILLATED​13
OSCULATING​13
OSCITANCES​14
OSCITANTLY​15
OSCITATING​13
OSCITATION​12
OSCULATION​12
9 letter words (49 words)
OSCILLATE​11
OSTEOTOMY​14
OSTRICHES​14
OSTEOPATH​14
OSTRACISM​13
OSTEOLOGY​13
OSTRACIZE​20
OSTRACODS​12
OSCITANCE​13
OSCITANCY​16
OSCITATED​12
OSCITATES​11
OSCULATED​12
OSCULATES​11
OSMETERIA​11
OSMICALLY​16
OSMOMETER​13
OSMOMETRY​16
OSMUNDINE​12
OSNABURGS​12
8 letter words (39 words)
OSSIFIED​12
OSTINATO​8
OSTEITIS​8
OSSICLES​10
OSCININE​10
OSCITANT​10
OSCITATE​10
OSCULANT​10
OSCULATE​10
OSIERIES​8
OSMIATES​10
OSMOSING​11
OSMUNDAS​11
OSNABURG​11
OSSARIUM​10
OSSATURE​8
OSSELETS​8
OSSETERS​8
OSSETRAS​8
OSSIFIER​11
7 letter words (43 words)
OSTRICH​12
OSMOSIS​9
OSMOTIC​11
OSPREYS​12
OSSEOUS​7
OSMOLAR​9
OSSUARY​10
OSTEOID​8
OSTEOMA​9
OSMUNDA​10
OSCHEAL​12
OSCINES​9
OSCULAR​9
OSCULES​9
OSCULUM​11
OSETRAS​7
OSIERED​8
OSMATES​9
OSMATIC​11
OSMIATE​9
6 letter words (26 words)
OSCARS​8
OSPREY​11
OSTOMY​11
OSMIUM​10
OSMOSE​8
OSTLER​6
OSTIUM​8
OSETRA​6
OSMUND​9
OSCINE​8
OSCULA​8
OSCULE​8
OSHACS​11
OSIERS​6
OSIERY​9
OSMATE​8
OSMICS​10
OSMOLE​8
OSMOLS​8
OSMOUS​8
5 letter words (7 words)
OSCAR​7
OSTIA​5
OSIER​5
OSSIA​5
OSHAC​10
OSMIC​9
OSMOL​7
4 letter words
OSES​4
OSSA​4
OSAR​4
3 letter words
OSE​3
2 letter words
OS​2


On this page, you will find a complete list of all of the words that start with the letters OS. There are 344 in total of all lengths.

On average, a word from this list is worth 12.8 points in a game of Scrabble or Words With Friends.

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The largest score a player can rack up from this list is 31 points with the word: OSCILLOGRAPHICALLY.

If none of the words that begin with the letters OS work for you, try taking a look at our similar lists: words ending in OS, words with OS and words starting with different letters. If you are playing Wordle you can narrow the list down to the 5-letter words starting with OS.

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