brazil nut vs brazil-nut tree

brazil nut and brazil-nut tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
brazil nut	Yes	No	No	No
brazil-nut tree	Yes	No	No	No

As nouns, brazil nut and brazil-nut tree are synonyms defined as:

brazil nut and brazil-nut tree: tall South American tree bearing brazil nuts

Other synonyms of brazil nut include Bertholletia excelsa.

brazil nut (noun)	brazil-nut tree (noun)
three-sided tropical American nut with white oily meat and hard brown shell	tall South American tree bearing brazil nuts
tall South American tree bearing brazil nuts