mazzard vs Prunus avium

mazzard and Prunus avium both are nouns.

Word	Noun	Adjective	Verb	Adverb
mazzard	Yes	No	No	No
Prunus avium	Yes	No	No	No

As nouns, Prunus avium is a hypernym of mazzard; that is, Prunus avium is a word with a broader meaning than mazzard:

mazzard: wild or seedling sweet cherry used as stock for grafting
Prunus avium: large Eurasian tree producing small dark bitter fruit in the wild but edible sweet fruit under cultivation

Other hypernyms of mazzard include sweet cherry.

mazzard (noun)	Prunus avium (noun)
wild or seedling sweet cherry used as stock for grafting	large Eurasian tree producing small dark bitter fruit in the wild but edible sweet fruit under cultivation