rambutan vs edible fruit

rambutan and edible fruit both are nouns.

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

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

rambutan: pleasantly acid bright red oval Malayan fruit covered with soft spines
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

rambutan (noun)	edible fruit (noun)
pleasantly acid bright red oval Malayan fruit covered with soft spines	edible reproductive body of a seed plant especially one having sweet flesh
Malayan tree bearing spiny red fruit