Roll down and Roll back

Roll down verb - Gather into a huge mass and roll down a mountain, of snow.

Roll back and roll down are semantically related in to decrease in size topic. In some cases you can use "Roll back" instead a verb "Roll down".

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

Roll down and roll back are semantically related in to decrease in size topic. You can use "Roll down" instead a verb "Roll back".