Cast up and Plunk down

Cast up verb - To combine (numbers) into a single sum.

Plunk down and cast up are semantically related. In some cases you can use "Plunk down" instead a verb "Cast up".

Plunk down verb - Set (something or oneself) down with or as if with a noise.

Cast up and plunk down are semantically related. Sometimes you can use "Cast up" instead a verb "Plunk down".