family Rhamnaceae vs buckthorn family

family Rhamnaceae and buckthorn family both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Rhamnaceae	Yes	No	No	No
buckthorn family	Yes	No	No	No

As nouns, family Rhamnaceae and buckthorn family are synonyms defined as:

family Rhamnaceae and buckthorn family: trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value

Other synonyms of family Rhamnaceae include Rhamnaceae.

family Rhamnaceae (noun)	buckthorn family (noun)
trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value	trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value