noun. In law, the act of recouping or retaining a part of a sum due by reason of a legal or equitable right to abate it because of a cross-claim arising out of the same transaction or relation.

noun. The act of recouping.

noun. A recovery of what had been lost.

"There aren't any statistics regarding pension overpayments, but senior advocates say they have seen a spike of "recoupment" cases, which are now one of the most common pension problems some advocacy groups are handling."

recoup