There are multiple definitions - click on the translation that matches your context.
restitution means:
Rücktritt means:
Substantiv
partial
noun
This English term covers the process that follows an act of rescission. Thus, if the context suggests that the entire series of events linked to a Rücktritt - from the declaration itself to the winding-back of the transaction ex tunc - is meant, then the best translation choice may be the entire phrase "rescission and restitution".
the act of giving something back that was lost or taken unlawfully from someone; the act of compensating the consequences of unlawful loss or injury
My client demands full restitution of expenses incurred (=money spent) following your breach of contract.