free throw vs foul shot

free throw and foul shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
free throw	Yes	No	No	No
foul shot	Yes	No	No	No

As nouns, free throw and foul shot are synonyms defined as:

free throw and foul shot: 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 throw, charity toss, penalty free throw.

free throw (noun)	foul shot (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