Countable Nouns Starting with OO and Containing M

This list gathers 12 English countable nouns starting with OO and containing M, such as Oompah, Oom, Oom-pah-pah, Oogonium, Oophorectomy, Oojamaflip and Oophorosalpingectomy. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with OOG
2 words
oogonium
oogamete
Starts with OOJ
1 words
oojamaflip
Starts with OOM
4 words
oompah
oom
oom-pah-pah
oomycete
Starts with OOP
4 words
oophorectomy
oophorosalpingectomy
oophorhysterectomy
oophorocystectomy
Starts with OOS
1 words
oosperm

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