subclass Liliidae vs liliid monocot genus

subclass Liliidae and liliid monocot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
subclass Liliidae	Yes	No	No	No
liliid monocot genus	Yes	No	No	No

subclass Liliidae (noun)	liliid monocot genus (noun)
one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae, Alliaceae, Amaryllidaceae, Iridaceae, Orchidaceae, Trilliaceae	genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils