Countable Nouns Starting with OPE and Containing S

Browse 8 valid English countable nouns starting with OPE and containing S, from Opencast, Openside, Operatorship, Operationalist, Operationist, Operettist and Operosity to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with OPEI
1 words
opeidoscope
Starts with OPEN
2 words
opencast
openside
Starts with OPER5 words
operatorship
operationalist
operationist
operettist
operosity

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