Countable Nouns Starting with OBSERVA and Containing OB

This list gathers 7 English countable nouns starting with OBSERVA and containing OB, such as Observation, Observable, Observance, Observatory, Observability, Observator and Observancy. 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 OBSERVAB
2 words
observable
observability
Starts with OBSERVAN
2 words
observance
observancy
Starts with OBSERVAT3 words
observation
observatory
observator

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