quince vs quince bush

quince and quince bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
quince	Yes	No	No	No
quince bush	Yes	No	No	No

As nouns, quince and quince bush are synonyms defined as:

quince and quince bush: small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated

Other synonyms of quince include Cydonia oblonga.

quince (noun)	quince bush (noun)
aromatic acid-tasting pear-shaped fruit used in preserves	small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated
small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated