Roll back and Taper off

Roll back verb - To put an end to by formal action.

Taper off and roll back are semantically related in lower topic. In some cases you can use "Taper off" instead a verb "Roll back", when it comes to topics like decrease.

Taper off verb - To grow less in scope or intensity especially gradually.

Roll back and taper off are semantically related in lower topic. Sometimes you can use "Roll back" instead a verb "Taper off", if it concerns topics such as decrease.