Juglans cinerea vs butternut

Juglans cinerea and butternut both are nouns.

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

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

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

Other synonyms of Juglans cinerea include butternut tree, white walnut.

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