separation vs final result

separation and final result both are nouns.

Word	Noun	Adjective	Verb	Adverb
separation	Yes	No	No	No
final result	Yes	No	No	No

As nouns, final result is a hypernym of separation; that is, final result is a word with a broader meaning than separation:

Other hypernyms of separation include outcome, result, resultant, termination.

separation (noun)	final result (noun)
the social act of separating or parting company	something that results
the act of dividing or disconnecting
(law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order)
sorting one thing from others
the distance between things
coming apart
the termination of employment (by resignation or dismissal)
the space where a division or parting occurs
the state of lacking unity