Countable Nouns Starting with OS and Containing TR

Explore 16 verified English countable nouns starting with OS and containing TR, including Ostrich, Ostracism, Osetra, Ostracod, Osteopetrosis, Ostracon and Ossetra. 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
1 words
osculatrix
Starts with OSE
1 words
osetra
Starts with OSS
1 words
ossetra
Starts with OST
13 words
ostrich
ostracism
ostracod
osteopetrosis
ostracon
ostracizer
ostracoderm
ostracodan
ostracean
ostrowskia
ostreiculturist
ostreodynamometer
ostreophage

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