Monocotyledones vs monocot genus

Monocotyledones and monocot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Monocotyledones	Yes	No	No	No
monocot genus	Yes	No	No	No

Monocotyledones (noun)	monocot genus (noun)
comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae, Arecidae, Commelinidae, and Liliidae	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed