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