Countable Nouns Starting with OB and Containing OR

Explore 11 verified English countable nouns starting with OB and containing OR, including Observatory, Objector, Obligor, Obturator, Obstructor, Obsessor and Obliterator. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with OBJ
2 words
objector
objurgator
Starts with OBL3 words
obligor
obliterator
obligator
Starts with OBS4 words
observatory
obstructor
obsessor
observator
Starts with OBT
1 words
obturator
Starts with OBV
1 words
obviator

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