elm family vs dicot family

elm family and dicot family both are nouns.

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

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

elm family: a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of elm family include magnoliopsid family.

elm family (noun)	dicot family (noun)
a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema	family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination