Carya cordiformis vs hickory

Carya cordiformis and hickory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carya cordiformis	Yes	No	No	No
hickory	Yes	No	No	No

As nouns, hickory is a hypernym of Carya cordiformis; that is, hickory is a word with a broader meaning than Carya cordiformis:

Carya cordiformis: hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts
hickory: American hardwood tree bearing edible nuts

Other hypernyms of Carya cordiformis include hickory tree.

Carya cordiformis (noun)	hickory (noun)
hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts	American hardwood tree bearing edible nuts
	valuable tough heavy hardwood from various hickory trees