bender vs curve ball

bender and curve ball both are nouns.

Word	Noun	Adjective	Verb	Adverb
bender	Yes	No	No	No
curve ball	Yes	No	No	No

As nouns, bender and curve ball are synonyms defined as:

bender and curve ball: a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter

Other synonyms of bender include breaking ball, curve.

bender (noun)	curve ball (noun)
revelry in drinking; a merry drinking party	a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
a tool for bending