Countable Nouns Starting with OP and Containing OG

Explore 6 verified English countable nouns starting with OP and containing OG, including Ophthalmologist, Ophiologist, Opisthograph, Ophiopogon, Opisthography and Optologist. 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 OPH3 words
ophthalmologist
ophiologist
ophiopogon
Starts with OPI
2 words
opisthograph
opisthography
Starts with OPT
1 words
optologist

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