9-letter words starting with OPE

Every match in the dictionary, most common first.

14 words found

operationthe state of being in effect or being operative
operatinginvolved in a kind of operation
operativea person secretly employed in espionage for a government
operators(mathematics) a symbol or function representing a mathematical operation
operettasa short amusing opera
operatics
operculuma hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
openworksornamental work (such as embroidery or latticework) having a pattern of openings
operagoera patron of the opera
operantly
operceles
opercular
opercules
operosely