Punch-up and Step up

Punch-up noun - A fistfight.

Step up and punch-up are semantically related. In some cases you can use "Step up" instead a verb phrase "Punch-up".

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

Punch-up and step up are semantically related. Sometimes you can replace phrase "Punch-up" with "Step up", this terms are similar.