crack shot vs shooter

crack shot and shooter both are nouns.

Word	Noun	Adjective	Verb	Adverb
crack shot	Yes	No	No	No
shooter	Yes	No	No	No

As nouns, shooter is a hypernym of crack shot; that is, shooter is a word with a broader meaning than crack shot:

crack shot: someone skilled in shooting
shooter: a person who shoots (usually with respect to their ability to shoot)

Other hypernyms of crack shot include shot.

crack shot (noun)	shooter (noun)
someone skilled in shooting	a large marble used for shooting in the game of marbles
	a person who shoots (usually with respect to their ability to shoot)
	a professional killer who uses a gun
	(sports) a player who drives or kicks a ball at the goal (or a basketball player who shoots at the basket)
	a gambler who throws dice in the game of craps