pine nut vs edible nut

pine nut and edible nut both are nouns.

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

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

pine nut: edible seed of any of several nut pines especially some pinons of southwestern North America
edible nut: a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell

pine nut (noun)	edible nut (noun)
edible seed of any of several nut pines especially some pinons of southwestern North America	a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell