Elaeis vs liliopsid genus

Elaeis and liliopsid genus both are nouns.

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

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

Elaeis: oil palms
liliopsid genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Elaeis include monocot genus.

Elaeis (noun)	liliopsid genus (noun)
oil palms	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed