Circassian walnut vs English walnut tree

Circassian walnut and English walnut tree both are nouns.

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

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

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

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

Circassian 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