isolation vs nonparticipation

isolation and nonparticipation both are nouns.

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

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

Other hypernyms of isolation include non-engagement, non-involvement.

isolation (noun)	nonparticipation (noun)
the act of isolating something; setting something apart from others	withdrawing from the activities of a group
a country's withdrawal from international politics
a feeling of being disliked and alone
(psychiatry) a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it
a state of separation between persons or groups