Slam and Zapper

Slam noun - A hard strike with a part of the body or an instrument.

Zapper and slam are semantically related In some cases you can use "Zapper" instead a noun "Slam".

Zapper noun - An electrical device that can injure or kill by means of electric currents.

Slam and zapper are semantically related in analysis topic. Sometimes you can use "Slam" instead a noun "Zapper", if it concerns topics such as verbal disapproval.