atonement vs restitution

atonement and restitution both are nouns.

Word	Noun	Adjective	Verb	Adverb
atonement	Yes	No	No	No
restitution	Yes	No	No	No

As nouns, restitution is a hypernym of atonement; that is, restitution is a word with a broader meaning than atonement:

Other hypernyms of atonement include amends, damages, indemnification, indemnity, redress.

atonement (noun)	restitution (noun)
the act of atoning for sin or wrongdoing (especially appeasing a deity)	getting something back again
compensation for a wrong	the act of restoring something to its original state
	a sum of money paid in compensation for loss or injury