kiwi fruit vs edible fruit

kiwi fruit and edible fruit both are nouns.

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

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

kiwi fruit: fuzzy brown egg-shaped fruit with slightly tart green flesh
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

kiwi fruit (noun)	edible fruit (noun)
fuzzy brown egg-shaped fruit with slightly tart green flesh	edible reproductive body of a seed plant especially one having sweet flesh