rewinding (e.g. VCR, tape deck, etc.)
repayment; refund; payback
swinging back; aftershock; backlash
unwinding of funds transfer obligations; requesting a bank to return money that was transferred (e.g. in error or in excess)
redemption (e.g. of a loan)
soaking (dried goods) in water
technical rally; retracement
backcrossing (crossing a hybrid with one of its parents); backcross