Background and Build up

Background noun - The physical conditions or features that form the setting against which something is viewed.

Build up and background are semantically related. In some cases you can replace term "Build up" with "Background", this nouns are similar.

Nearby Words: backing, backdrop, backgrounder, backgrounding

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

Background and build up are semantically related. Sometimes you can use "Background" instead a noun "Build up".