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