Ulmaceae vs elm family

Ulmaceae and elm family both are nouns.

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

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

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

Other synonyms of Ulmaceae include family Ulmaceae.

Ulmaceae (noun)	elm family (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