Here's what rhymes with oprimen.
hymen funnyman Words that almost rhyme with oprimen
primum botulinum antirrhinum lion brighten lichen lighten ripen liken baryon prion lineman linemen liven frighten tighten widen bison fireman firemen heighten siren beiden hyphen scion siphon syphon whiten thriven titan linesman billycan horizon enlighten fibrin enliven aphelion pinyon bedizen dandelion finespun veniremen cotyledon perihelion dicotyledon monocotyledon