chinkapin vs edible nut

chinkapin and edible nut both are nouns.

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

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

chinkapin: small nut of either of two small chestnut trees of the southern United States; resembles a hazelnut
edible nut: a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell

chinkapin (noun)	edible nut (noun)
small nut of either of two small chestnut trees of the southern United States; resembles a hazelnut	a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell