sharpshooter vs jock

sharpshooter and jock both are nouns.

Word	Noun	Adjective	Verb	Adverb
sharpshooter	Yes	No	No	No
jock	Yes	No	No	No

As nouns, jock is a hypernym of sharpshooter; that is, jock is a word with a broader meaning than sharpshooter:

Other hypernyms of sharpshooter include athlete.

sharpshooter (noun)	jock (noun)
a fast schooner once used by New England fisherman for illegal fishing in Canadian waters	a support for the genitals worn by men engaging in strenuous exercise
someone skilled in shooting	a person trained to compete in sports
an athlete noted for accurate aim