free throw vs charity throw

free throw and charity throw both are nouns.

Word	Noun	Adjective	Verb	Adverb
free throw	Yes	No	No	No
charity throw	Yes	No	No	No

As nouns, free throw and charity throw are synonyms defined as:

free throw and charity throw: an unhindered basketball shot from the foul line; given to penalize the other team for committing a foul

Other synonyms of free throw include charity shot, charity toss, foul shot, penalty free throw.

free throw (noun)	charity throw (noun)
an unhindered basketball shot from the foul line; given to penalize the other team for committing a foul	an unhindered basketball shot from the foul line; given to penalize the other team for committing a foul