Attalea vs liliopsid genus

Attalea and liliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Attalea	Yes	No	No	No
liliopsid genus	Yes	No	No	No

As nouns, liliopsid genus is a hypernym of Attalea; that is, liliopsid genus is a word with a broader meaning than Attalea:

Attalea: unarmed feather palms of central and northern South America
liliopsid genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Attalea include monocot genus.

Attalea (noun)	liliopsid genus (noun)
unarmed feather palms of central and northern South America	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed