rush family vs liliopsid family

rush family and liliopsid family both are nouns.

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

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

rush family: tufted herbs resembling grasses: rushes
liliopsid family: family of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of rush family include monocot family.

rush family (noun)	liliopsid family (noun)
tufted herbs resembling grasses: rushes	family of flowering plants having a single cotyledon (embryonic leaf) in the seed