marasca vs sour cherry tree

marasca and sour cherry tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
marasca	Yes	No	No	No
sour cherry tree	Yes	No	No	No

As nouns, sour cherry tree is a hypernym of marasca; that is, sour cherry tree is a word with a broader meaning than marasca:

marasca: Dalmatian bitter wild cherry tree bearing fruit whose juice is made into maraschino liqueur
sour cherry tree: rather small Eurasian tree producing red to black acid edible fruit

Other hypernyms of marasca include Prunus cerasus, sour cherry.

marasca (noun)	sour cherry tree (noun)
Dalmatian bitter wild cherry tree bearing fruit whose juice is made into maraschino liqueur	rather small Eurasian tree producing red to black acid edible fruit
small bitter fruit of the marasca cherry tree from whose juice maraschino liqueur is made