Rhamnaceae vs dicot family

Rhamnaceae and dicot family both are nouns.

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

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

Rhamnaceae: trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Rhamnaceae include magnoliopsid family.

Rhamnaceae (noun)	dicot family (noun)
trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value	family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination