buffalo nut vs fruit

buffalo nut and fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
buffalo nut	Yes	No	No	No
fruit	Yes	No	Yes	No

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

buffalo nut (noun)	fruit (noun)
shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes	an amount of a product
oily drupaceous fruit of rabbitwood	the consequence of some effort or action
	the ripened reproductive body of a seed plant

buffalo nut (verb)	fruit (verb)
	bear fruit
	cause to bear fruit