Rapateaceae vs liliopsid family

Rapateaceae and liliopsid family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rapateaceae	Yes	No	No	No
liliopsid family	Yes	No	No	No

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

Rapateaceae: South American herbs somewhat resembling members of the Juncaceae
liliopsid family: family of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Rapateaceae include monocot family.

Rapateaceae (noun)	liliopsid family (noun)
South American herbs somewhat resembling members of the Juncaceae	family of flowering plants having a single cotyledon (embryonic leaf) in the seed