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