Countable Nouns Starting with OP and Containing AN

This list gathers 15 English countable nouns starting with OP and containing AN, such as Optician, Operand, Operant, Ophidian, Optant, Oppugnancy and Oppidan. 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 OPE
2 words
operand
operant
Starts with OPH
2 words
ophidian
ophiuran
Starts with OPI3 words
opisthobranch
opisthobranchiate
opisthocoelian
Starts with OPO
1 words
opopanax
Starts with OPP4 words
oppugnancy
oppidan
oppugnant
oppilant
Starts with OPS
1 words
opsomaniac
Starts with OPT
2 words
optician
optant

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