quince vs edible fruit

quince and edible fruit both are nouns.

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

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

quince: aromatic acid-tasting pear-shaped fruit used in preserves
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

Other hypernyms of quince include false fruit, pome.

quince (noun)	edible fruit (noun)
aromatic acid-tasting pear-shaped fruit used in preserves	edible reproductive body of a seed plant especially one having sweet flesh
small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated