Bannister and Rails

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

Rails and bannister are semantically related. In some cases you can use "Rails" instead a noun "Bannister".

Rails noun - A bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll.

Bannister and rails are semantically related. You can use "Bannister" instead a noun "Rails".