Countable Nouns Starting with OB and Containing TO

Browse 10 valid English countable nouns starting with OB and containing TO, from Observatory, Objector, Obbligato, Obturator, Obstructor, Obliterator and Obviator 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 OBB
1 words
obbligato
Starts with OBJ
2 words
objector
objurgator
Starts with OBL
2 words
obliterator
obligator
Starts with OBS3 words
observatory
obstructor
observator
Starts with OBT
1 words
obturator
Starts with OBV
1 words
obviator

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