Uncountable Nouns That Start with OPT

Explore 13 verified English uncountable nouns starting with OPT, including Option, Optimization, Optimism, Optics, Optometry, Optimality and Optionality. Browse these mass nouns and non-count terms for substances and concepts by length below, or check quantifier and measurement rules in our noun grammar guide.

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Starts with OPTA
1 words
optative
Starts with OPTI
7 words
option
optimization
optimism
optics
optimality
optionality
optimisticalness
Starts with OPTO
4 words
optometry
optoelectronics
optogenetics
optology
Starts with OPTR
1 words
optronics

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