attainder vs civil death

attainder and civil death both are nouns.

Word	Noun	Adjective	Verb	Adverb
attainder	Yes	No	No	No
civil death	Yes	No	No	No

As nouns, attainder and civil death are synonyms defined as:

attainder (noun)	civil death (noun)
cancellation of civil rights	cancellation of civil rights
	the legal status of a person who is alive but who has been deprived of the rights and privileges of a citizen or a member of society; the legal status of one sentenced to life imprisonment