heart cherry vs sweet cherry

heart cherry and sweet cherry both are nouns.

Word	Noun	Adjective	Verb	Adverb
heart cherry	Yes	No	No	No
sweet cherry	Yes	No	No	No

As nouns, sweet cherry is a hypernym of heart cherry; that is, sweet cherry is a word with a broader meaning than heart cherry:

heart cherry: large heart-shaped sweet cherry with soft flesh
sweet cherry: any of several fruits of cultivated cherry trees that have sweet flesh

Other hypernyms of heart cherry include black cherry.

As nouns, sweet cherry is a hypernym of heart cherry; that is, sweet cherry is a word with a broader meaning than heart cherry:

heart cherry: any of several cultivated sweet cherries having sweet juicy heart-shaped fruits
sweet cherry: large Eurasian tree producing small dark bitter fruit in the wild but edible sweet fruit under cultivation

Other hypernyms of heart cherry include Prunus avium.

heart cherry (noun)	sweet cherry (noun)
large heart-shaped sweet cherry with soft flesh	any of several fruits of cultivated cherry trees that have sweet flesh
any of several cultivated sweet cherries having sweet juicy heart-shaped fruits	large Eurasian tree producing small dark bitter fruit in the wild but edible sweet fruit under cultivation