Countable Nouns Starting with OP and Containing IM

Explore 9 verified English countable nouns starting with OP and containing IM, including Optimization, Optimum, Optimist, Optimizer, Optime, Opsimath and Optimate. 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 OPH
1 words
ophthalmodiastimeter
Starts with OPS
1 words
opsimath
Starts with OPT
7 words
optimization
optimum
optimist
optimizer
optime
optimates
optimate

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