Nouns Starting with OS and Containing UM

Browse 9 valid English nouns starting with OS and containing UM, from Osmium, Ostium, Osculum, Osmiridium, Ostensorium, Osteospermum and Ossarium to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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Starts with OSC
1 words
osculum
Starts with OSM3 words
osmium
osmiridium
osmeterium
Starts with OSS
1 words
ossarium
Starts with OST4 words
ostium
ostensorium
osteospermum
osteoglossum

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