Countable Nouns That Start with OPT

Browse 24 English countable nouns starting with the prefix OPT, including Option, Optional, Optimization, Optics, Optimum, Optimist and Optic. Sort these count nouns with singular and plural forms by letter count for ESL grammar practice, determiner usage, and plural spelling, or consult our noun grammar guide.

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Starts with OPTA
2 words
optative
optant
Starts with OPTE
1 words
opter
Starts with OPTI
15 words
option
optional
optimization
optics
optimum
optimist
optic
optimizer
optician
optionality
optionee
optime
optimates
optimate
opticist
Starts with OPTO
6 words
optometrist
optocoupler
optometer
optophone
optologist
optomeninx

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