Block off and Roll up

Block off verb - To disallow entry into (a place) by means of a physical barrier at the entry point.

Roll up and block off are semantically related. In some cases you can use "Roll up" instead a verb "Block off".

Roll up verb - To become greater in size, extent, volume, amount, or number.

Block off and roll up are semantically related. Sometimes you can use "Block off" instead a verb "Roll up".