decision vs resultant

decision and resultant both are nouns.

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

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

Other hypernyms of decision include final result, outcome, result, termination.

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

Other hypernyms of decision include final result, outcome, result, termination.

decision (noun)	resultant (noun)
the act of making up your mind about something	a vector that is the sum of two or more other vectors
the trait of resoluteness as evidenced by firmness of character or purpose	something that results
a position or opinion or judgment reached after consideration	the final point in a process
the outcome of a game or contest
(boxing) a victory won on points when no knockout has occurred

decision (adjective)	resultant (adjective)
	occurring with or following as a consequence