elm family vs Ulmaceae

elm family and Ulmaceae both are nouns.

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

As nouns, elm family and Ulmaceae are synonyms defined as:

elm family and Ulmaceae: a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema

Other synonyms of elm family include family Ulmaceae.

elm family (noun)	Ulmaceae (noun)
a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema	a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema