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