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