Countable Nouns Starting with OP and Containing X
This list gathers 6 English countable nouns starting with OP and containing X, such as Opoponax, Opifex, Opopanax, Operatrix, Ophthalmorrhexis and Optomeninx. 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
1 words operatrix
Starts with OPH
1 words ophthalmorrhexis
Starts with OPI
1 words opifex
Starts with OPO
2 words opoponax
opopanax
Starts with OPT
1 words optomeninx