European field elm vs elm

European field elm and elm both are nouns.

Word	Noun	Adjective	Verb	Adverb
European field elm	Yes	No	No	No
elm	Yes	No	No	No

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

European field elm: European elm with lustrous smooth leaves used as an ornamental
elm: any of various trees of the genus Ulmus: important timber or shade trees

Other hypernyms of European field elm include elm tree.

European field elm (noun)	elm (noun)
European elm with lustrous smooth leaves used as an ornamental	any of various trees of the genus Ulmus: important timber or shade trees
	hard tough wood of an elm tree; used for e.g. implements and furniture