disaffection vs estrangement

disaffection and estrangement both are nouns.

Word	Noun	Adjective	Verb	Adverb
disaffection	Yes	No	No	No
estrangement	Yes	No	No	No

As nouns, disaffection and estrangement are synonyms defined as:

disaffection and estrangement: the feeling of being alienated from other people

Other synonyms of disaffection include alienation.

disaffection (noun)	estrangement (noun)
disloyalty to the government or to established authority	the feeling of being alienated from other people
the feeling of being alienated from other people	separation resulting from hostility