Buxaceae vs dicot family

Buxaceae and dicot family both are nouns.

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

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

Buxaceae: widely distributed evergreen shrubs and trees
dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Buxaceae include magnoliopsid family.

Buxaceae (noun)	dicot family (noun)
widely distributed evergreen shrubs and trees	family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination