Clamp down and Hold down

Clamp down verb - Repress or suppress (something regarded as undesirable).

Hold down and clamp down are semantically related In some cases you can use "Hold down" instead a verb "Clamp down".

Hold down verb - To set bounds or an upper limit for.

Clamp down and hold down are semantically related in prevent topic. Sometimes you can use "Clamp down" instead a verb "Hold down".