criticism vs potshot

criticism and potshot both are nouns.

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

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

criticism: disapproval expressed by pointing out faults or shortcomings
potshot: criticism aimed at an easy target and made without careful consideration

criticism (noun)	potshot (noun)
a serious examination and judgment of something	a shot taken at an easy or casual target (as by a pothunter)
disapproval expressed by pointing out faults or shortcomings	criticism aimed at an easy target and made without careful consideration
a written evaluation of a work of literature