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