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