monocot genus vs Monocotyledones

monocot genus and Monocotyledones both are nouns.

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

monocot genus (noun)	Monocotyledones (noun)
genus of flowering plants having a single cotyledon (embryonic leaf) in the seed	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