Betulaceae vs birch family

Betulaceae and birch family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Betulaceae	Yes	No	No	No
birch family	Yes	No	No	No

As nouns, Betulaceae and birch family are synonyms defined as:

Betulaceae and birch family: monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)

Other synonyms of Betulaceae include family Betulaceae.

Betulaceae (noun)	birch family (noun)
monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)	monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)