Cabin car and Railway car

Cabin car noun - A car on a freight train for use of the train crew; usually the last car on the train.

Railway car and cabin car are semantically related. In some cases you can use "Railway car" instead a noun phrase "Cabin car".

Railway car noun - A wheeled vehicle adapted to the rails of railroad.

Cabin car and railway car are semantically related. Sometimes you can replace phrase "Cabin car" with "Railway car", this phrases are similar.