resolution vs decision

resolution and decision both are nouns.

Word	Noun	Adjective	Verb	Adverb
resolution	Yes	No	No	No
decision	Yes	No	No	No

As nouns, decision is a hypernym of resolution; that is, decision is a word with a broader meaning than resolution:

Other hypernyms of resolution include conclusion, determination.

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

resolution: the trait of being resolute
decision: the trait of resoluteness as evidenced by firmness of character or purpose

resolution (noun)	decision (noun)
a decision to do something or to behave in a certain manner	the act of making up your mind about something
finding a solution to a problem	the trait of resoluteness as evidenced by firmness of character or purpose
the trait of being resolute	a position or opinion or judgment reached after consideration
analysis into clear-cut components	the outcome of a game or contest
something settled or resolved; the outcome of decision making	(boxing) a victory won on points when no knockout has occurred
a statement that solves a problem or explains how to solve the problem
a formal expression by a meeting; agreed to by a vote
(music) a dissonant chord is followed by a consonant chord
the subsidence of swelling or other signs of inflammation (especially in a lung)
the ability of a microscope or telescope to measure the angular separation of images that are close together
(computer science) the number of pixels per square inch on a computer-generated display; the greater the resolution, the better the picture