Build up and Win back

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

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

Win back verb - Recover something or somebody that appeared to be lost.

Build up and win back are semantically related in fix topic. Sometimes you can use "Build up" instead a verb "Win back", if it concerns topics such as restore.