Nipa vs liliopsid genus

Nipa and liliopsid genus both are nouns.

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

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

Nipa: monotypic genus of palms of Australasia
liliopsid genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Nipa include monocot genus.

Nipa (noun)	liliopsid genus (noun)
monotypic genus of palms of Australasia	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed