Finite

Finite (Fi-NEE-tay) stops all currently remaining spell effects that it targets, a lot like Finite Incantatem. It is even possibly Finite is a shorter form of Finite Incantatem.

=Uses=
 * Remus Lupin used this spell to take off a Tarantallegra Hex off of Neville Longbottom.

"Finite" Latin. Settle, end, die, cease.