carissa plum vs edible fruit

carissa plum and edible fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
carissa plum	Yes	No	No	No
edible fruit	Yes	No	No	No

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

carissa plum: edible scarlet plumlike fruit of a South African plant
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

carissa plum (noun)	edible fruit (noun)
edible scarlet plumlike fruit of a South African plant	edible reproductive body of a seed plant especially one having sweet flesh