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