Countable Nouns Starting with OP and Containing ET

Explore 14 verified English countable nouns starting with OP and containing ET, including Optometrist, Operetta, Optometer, Operettist, Ophthalmometer, Ophthalmometry and Opisometer. 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 OPE
2 words
operetta
operettist
Starts with OPH8 words
ophthalmometer
ophthalmometry
ophthalmodynamometer
ophthalmostatometer
ophthalmothermometer
ophthalmotonometer
ophthalmotropometer
ophthalmodiastimeter
Starts with OPI
1 words
opisometer
Starts with OPS
1 words
opsiometer
Starts with OPT
2 words
optometrist
optometer

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