charity throw vs penalty free throw

charity throw and penalty free throw both are nouns.

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

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

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

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

charity throw (noun)	penalty free 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