Rod and Shill

Rod noun - A heavy rigid stick used as a weapon or for punishment.

Shill and rod are semantically related In some cases you can use "Shill" instead a noun "Rod".

Shill noun - A decoy who acts as an enthusiastic customer in order to stimulate the participation of others.

Rod and shill are semantically related in baton for hitting topic. Sometimes you can use "Rod" instead a noun "Shill".