shagbark vs shellbark

shagbark and shellbark both are nouns.

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

As nouns, shagbark and shellbark are synonyms defined as:

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

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

shagbark (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