Persian walnut vs English walnut tree

Persian walnut and English walnut tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Persian walnut	Yes	No	No	No
English walnut tree	Yes	No	No	No

As nouns, Persian walnut and English walnut tree are synonyms defined as:

Persian walnut and English walnut tree: Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated

Other synonyms of Persian walnut include Circassian walnut, English walnut, Juglans regia.

Persian walnut (noun)	English walnut tree (noun)
Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated	Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated