Roll up and Roll in

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

Roll in and roll up are semantically related in show up topic. In some cases you can use "Roll in" instead a verb "Roll up".

Roll in verb - Pour or flow in a steady stream.

Roll up and roll in are semantically related in show up topic. Sometimes you can use "Roll up" instead a verb "Roll in". informal substitute