shellbark vs Carya ovata

shellbark and Carya ovata both are nouns.

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

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

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

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

shellbark (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