Countable Nouns Starting with OS and Containing SM

Explore 16 verified English countable nouns starting with OS and containing SM, including Osmosis, Ostracism, Osmolarity, Osmolality, Osmanthus, Osmund and Osmometer. 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 OSM15 words
osmosis
osmolarity
osmolality
osmanthus
osmund
osmometer
osmophobia
osmate
osmiridium
osmunda
osmole
osmophobic
osmeterium
osmiate
osmerid
Starts with OST
1 words
ostracism

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