Build up and Plug into

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

Plug into and build up are semantically related In some cases you can use "Plug into" instead a verb "Build up".

Plug into verb - Plug into an outlet.

Build up and plug into are semantically related in combine topic. Sometimes you can use "Build up" instead a verb "Plug into", if it concerns topics such as adjoin.