Combretaceae vs dicot family

Combretaceae and dicot family both are nouns.

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

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

Combretaceae: a family of tropical trees and shrubs of the order Myrtales
dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Combretaceae include magnoliopsid family.

Combretaceae (noun)	dicot family (noun)
a family of tropical trees and shrubs of the order Myrtales	family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination