Orchidaceae vs family Orchidaceae

Orchidaceae and family Orchidaceae both are nouns.

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

As nouns, Orchidaceae and family Orchidaceae are synonyms defined as:

Orchidaceae and family Orchidaceae: enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers

Other synonyms of Orchidaceae include orchid family.

Orchidaceae (noun)	family Orchidaceae (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers