orchidaceous plant vs orchid family

orchidaceous plant and orchid family both are nouns.

Word	Noun	Adjective	Verb	Adverb
orchidaceous plant	Yes	No	No	No
orchid family	Yes	No	No	No

orchidaceous plant (noun)	orchid family (noun)
any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors	enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers