Envelop and Roll up

Envelop verb - To close or shut in by or as if by barriers.

Roll up and envelop are semantically related In some cases you can use "Roll up" instead a verb "Envelop".

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

Envelop and roll up are semantically related in action topic. Sometimes you can use "Envelop" instead a verb "Roll up", if it concerns topics such as wrap, surround with a covering.