Step up and Speed up

Step up verb - To make markedly greater in measure or degree.

Speed up is a synonym for step up in accelerate topic. In some cases you can use "Speed up" instead a verb "Step up". popular alternative

Speed up verb - To cause to move or proceed fast or faster.

Step up is a synonym for speed up in adjoin topic. You can use "Step up" instead a verb "Speed up", if it concerns topics such as timing. popular alternative