Orchidaceae vs monocot family

Orchidaceae and monocot family both are nouns.

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

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

Orchidaceae: enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
monocot family: family of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Orchidaceae include liliopsid family.

Orchidaceae (noun)	monocot family (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	family of flowering plants having a single cotyledon (embryonic leaf) in the seed