big shellbark hickory vs king nut

big shellbark hickory and king nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
big shellbark hickory	Yes	No	No	No
king nut	Yes	No	No	No

As nouns, big shellbark hickory and king nut are synonyms defined as:

big shellbark hickory and king nut: hickory of the eastern United States resembling the shagbark but having a much larger nut

Other synonyms of big shellbark hickory include big shagbark, big shellbark, Carya laciniosa, king nut hickory.

big shellbark hickory (noun)	king nut (noun)
hickory of the eastern United States resembling the shagbark but having a much larger nut	hickory of the eastern United States resembling the shagbark but having a much larger nut