filbert vs edible nut

filbert and edible nut both are nouns.

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

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

filbert: nut of any of several trees of the genus Corylus
edible nut: a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell

filbert (noun)	edible nut (noun)
nut of any of several trees of the genus Corylus	a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell
small nut-bearing tree much grown in Europe