Mop-up and Overrun

Mop-up noun - The last part of a process or action.

Overrun and mop-up are semantically related. In some cases you can use "Overrun" instead a verb phrase "Mop-up".

Overrun verb - To enter for conquest or plunder.

Mop-up and overrun are semantically related. Sometimes you can replace phrase "Mop-up" with "Overrun", this terms are similar.