Nouns Starting with O and Containing NN

Browse 10 valid English nouns starting with O and containing NN, from Openness, Outspokenness, Offspinner, Ordonnance, Overmanning, Octennial and Outrunner 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 OC
1 words
octennial
Starts with OF
2 words
offspinner
oftenness
Starts with OP
2 words
openness
ophthalmoblennorrhea
Starts with OR
1 words
ordonnance
Starts with OU
2 words
outspokenness
outrunner
Starts with OV
2 words
overmanning
overrunner

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