Sponge up and Shake down

Sponge up verb - Absorb as if with a sponge.

Shake down and sponge up are semantically related. In some cases you can use "Shake down" instead a verb "Sponge up".

Shake down verb - To rob by the use of trickery or threats.

Sponge up and shake down are semantically related. Sometimes you can use "Sponge up" instead a verb "Shake down".