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