macadamia nut vs edible nut

macadamia nut and edible nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
macadamia nut	Yes	No	No	No
edible nut	Yes	No	No	No

As nouns, edible nut is a hypernym of macadamia nut; that is, edible nut is a word with a broader meaning than macadamia nut:

macadamia nut: nutlike seed with sweet and crisp white meat
edible nut: a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell

macadamia nut (noun)	edible nut (noun)
nutlike seed with sweet and crisp white meat	a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell
small Australian tree with racemes of pink flowers; widely cultivated (especially in Hawaii) for its sweet edible nuts