Countable Nouns Starting with OB and Containing ER

Browse 17 valid English countable nouns starting with OB and containing ER, from Observation, Observer, Observable, Observance, Observatory, Obliteration and Observability to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with OBE
1 words
obeyer
Starts with OBI
1 words
obiter
Starts with OBL
3 words
obliteration
obliterator
obliger
Starts with OBS
8 words
observation
observer
observable
observance
observatory
observability
observator
observancy
Starts with OBT
2 words
obtainer
obtruder
Starts with OBV
2 words
obverse
obversion

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