deviationism vs abandonment

deviationism and abandonment both are nouns.

Word	Noun	Adjective	Verb	Adverb
deviationism	Yes	No	No	No
abandonment	Yes	No	No	No

As nouns, abandonment is a hypernym of deviationism; that is, abandonment is a word with a broader meaning than deviationism:

deviationism: ideological defection from the party line (especially from orthodox communism)
abandonment: withdrawing support or help despite allegiance or responsibility

Other hypernyms of deviationism include defection, desertion.

deviationism (noun)	abandonment (noun)
ideological defection from the party line (especially from orthodox communism)	withdrawing support or help despite allegiance or responsibility
	the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away
	the act of giving something up