longanberry vs edible fruit

longanberry and edible fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
longanberry	Yes	No	No	No
edible fruit	Yes	No	No	No

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

longanberry: Asian fruit similar to litchi
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

longanberry (noun)	edible fruit (noun)
Asian fruit similar to litchi	edible reproductive body of a seed plant especially one having sweet flesh
tree of southeastern Asia to Australia grown primarily for its sweet edible fruit resembling litchi nuts; sometimes placed in genera Euphorbia or Nephelium