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