Countable Nouns Starting with OPT and Containing O

This list gathers 24 English countable nouns starting with OPT and containing O, such as Option, Optional, Optimization, Optics, Optimum, Optimist and Optic. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with OPTA
2 words
optative
optant
Starts with OPTE
1 words
opter
Starts with OPTI15 words
option
optional
optimization
optics
optimum
optimist
optic
optimizer
optician
optionality
optionee
optime
optimates
optimate
opticist
Starts with OPTO6 words
optometrist
optocoupler
optometer
optophone
optologist
optomeninx

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