French word violeur comes from French -eur, French viol (A rape.)

Detailed word origin of violeur

Dictionary entry	Language	Definition
-eur	French (fra)	Used to form abstract nouns from adjectives; -ness.. Used to form agent nouns from verbs.
viol	French (fra)	A rape.
violeur	French (fra)	Rapist.

Words with the same origin as violeur