Blow up out of all proportion and Build up

Build up and blow up out of all proportion are semantically related. In some cases you can use "Build up" instead a verb phrase "Blow up out of all proportion".

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

Blow up out of all proportion and build up are semantically related. Sometimes you can use "Blow up out of all proportion" instead a verb "Build up".