isolation vs separation

isolation and separation both are nouns.

Word	Noun	Adjective	Verb	Adverb
isolation	Yes	No	No	No
separation	Yes	No	No	No

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

isolation: the act of isolating something; setting something apart from others
separation: the social act of separating or parting company

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

isolation (noun)	separation (noun)
the act of isolating something; setting something apart from others	the social act of separating or parting company
a country's withdrawal from international politics	the act of dividing or disconnecting
a feeling of being disliked and alone	(law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order)
(psychiatry) a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it	sorting one thing from others
a state of separation between persons or groups	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