penalty free throw vs charity throw

penalty free throw and charity throw both are nouns.

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

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

penalty 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 penalty free throw include charity shot, charity toss, foul shot, free throw.

penalty 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