big-bud hickory vs mockernut hickory

big-bud hickory and mockernut hickory both are nouns.

Word	Noun	Adjective	Verb	Adverb
big-bud hickory	Yes	No	No	No
mockernut hickory	Yes	No	No	No

As nouns, big-bud hickory and mockernut hickory are synonyms defined as:

big-bud hickory and mockernut hickory: smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut

Other synonyms of big-bud hickory include black hickory, Carya tomentosa, mockernut, white-heart hickory.

big-bud hickory (noun)	mockernut hickory (noun)
smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut	smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut