Nouns Ending in IUM and Containing OO

Browse 10 valid English nouns ending in IUM and containing OO, from Oogonium, Zoosporangium, Zooecium, Zoospermium, Zoogonidium, Zoothecium and Zoocecidium 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 M
1 words
macrozoogonidium
Starts with O
1 words
oogonium
Starts with Z
8 words
zoosporangium
zooecium
zoospermium
zoogonidium
zoothecium
zoocecidium
zoocytium
zoodendrium

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