shagbark hickory vs shellbark

shagbark hickory and shellbark both are nouns.

Word	Noun	Adjective	Verb	Adverb
shagbark hickory	Yes	No	No	No
shellbark	Yes	No	No	No

As nouns, shagbark hickory and shellbark are synonyms defined as:

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

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

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