outcome vs resultant

outcome and resultant both are nouns.

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

As nouns, outcome and resultant are synonyms defined as:

Other synonyms of outcome include final result, result, termination.

outcome (noun)	resultant (noun)
something that results	a vector that is the sum of two or more other vectors
a phenomenon that follows and is caused by some previous phenomenon	something that results
	the final point in a process

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