pitahaya vs edible fruit

pitahaya and edible fruit both are nouns.

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

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

pitahaya: highly colored edible fruit of pitahaya cactus having bright red juice; often as large as a peach
edible fruit: edible reproductive body of a seed plant especially one having sweet flesh

pitahaya (noun)	edible fruit (noun)
highly colored edible fruit of pitahaya cactus having bright red juice; often as large as a peach	edible reproductive body of a seed plant especially one having sweet flesh
cactus of the southwestern United States and northern Mexico having edible juicy fruit