bitternut hickory vs Carya cordiformis

bitternut hickory and Carya cordiformis both are nouns.

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

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

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

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

bitternut hickory (noun)	Carya cordiformis (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