Countable Nouns Starting with OS and Containing M

Explore 38 verified English countable nouns starting with OS and containing M, including Osmosis, Ostracism, Ostomy, Osmolarity, Osteosarcoma, Osteomyelitis and Osteotomy. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with OSC
2 words
osculum
oscillogram
Starts with OSM
15 words
osmosis
osmolarity
osmolality
osmanthus
osmund
osmometer
osmophobia
osmate
osmiridium
osmunda
osmole
osmophobic
osmeterium
osmiate
osmerid
Starts with OSS
1 words
ossarium
Starts with OST
20 words
ostracism
ostomy
osteosarcoma
osteomyelitis
osteotomy
ostomate
ostium
osteoma
ostmark
osteoderm
ostracoderm
ostensorium
osteospermum
osteotome
osteoglossum
osteochondrosarcoma
osteoenchondroma
osteochondrofibroma
osteoencephaloma
ostreodynamometer

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