Cyperaceae vs monocot family

Cyperaceae and monocot family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cyperaceae	Yes	No	No	No
monocot family	Yes	No	No	No

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

Cyperaceae: bulrush, chufa, cotton grass, papyrus, umbrella plant
monocot family: family of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Cyperaceae include liliopsid family.

Cyperaceae (noun)	monocot family (noun)
bulrush, chufa, cotton grass, papyrus, umbrella plant	family of flowering plants having a single cotyledon (embryonic leaf) in the seed