shellbark hickory vs Carya ovata

shellbark hickory and Carya ovata both are nouns.

Word	Noun	Adjective	Verb	Adverb
shellbark hickory	Yes	No	No	No
Carya ovata	Yes	No	No	No

As nouns, shellbark hickory and Carya ovata are synonyms defined as:

shellbark hickory and Carya ovata: North American hickory having loose grey shaggy bark and edible nuts

Other synonyms of shellbark hickory include shagbark, shagbark hickory, shellbark.

shellbark hickory (noun)	Carya ovata (noun)
North American hickory having loose grey shaggy bark and edible nuts	North American hickory having loose grey shaggy bark and edible nuts