shooting vs potshot

shooting and potshot both are nouns.

Word	Noun	Adjective	Verb	Adverb
shooting	Yes	No	No	No
potshot	Yes	No	No	No

As nouns, potshot is a hyponym of shooting; that is, potshot is a word with a more specific, narrower meaning than shooting:

Other hyponyms of shooting include shoot, countershot, discharge, firing, firing off, gunfire, gunshot, headshot, shellfire.

shooting (noun)	potshot (noun)
the act of firing a projectile	a shot taken at an easy or casual target (as by a pothunter)
killing someone by gunfire	criticism aimed at an easy target and made without careful consideration