Balusters and Rod

Balusters noun - A railing at the side of a staircase or balcony to prevent people from falling.

Rod and balusters are semantically related. in pivot topic. In some cases you can use "Rod" instead a noun "Balusters".

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

Balusters and rod are semantically related. Sometimes you can replace term "Balusters" with "Rod", this nouns are similar.