butternut vs Juglans cinerea

butternut and Juglans cinerea both are nouns.

Word	Noun	Adjective	Verb	Adverb
butternut	Yes	No	No	No
Juglans cinerea	Yes	No	No	No

As nouns, butternut and Juglans cinerea are synonyms defined as:

butternut and Juglans cinerea: North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye

Other synonyms of butternut include butternut tree, white walnut.

butternut (noun)	Juglans cinerea (noun)
oily egg-shaped nut of an American tree of the walnut family	North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye
North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye