Carya cordiformis vs bitter hickory

Carya cordiformis and bitter hickory both are nouns.

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

As nouns, Carya cordiformis and bitter hickory are synonyms defined as:

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

Other synonyms of Carya cordiformis include bitter pignut, bitternut, bitternut hickory, swamp hickory.

Carya cordiformis (noun)	bitter hickory (noun)
hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts	hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts