Countable Nouns Starting with O and Containing RV

This list gathers 15 English countable nouns starting with O and containing RV, such as Observation, Overview, Observer, Observable, Observance, Observatory and Observability. 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 OB8 words
observation
observer
observable
observance
observatory
observability
observator
observancy
Starts with OR
1 words
orval
Starts with OU
1 words
outcurve
Starts with OV5 words
overview
overvaluation
overharvest
overvoltage
overvote

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