is een specifiek soort: car, railcar, railroad car, railway car.

is een bredere term voor o.a.: buffet car, diner, dining car, dining compartment | nonsmoker, nonsmoking car | chair car, drawing-room car, palace car, parlor car, parlour car | Pullman, Pullman car | sleeper, sleeping car, wagon-lit | smoker, smoking car, smoking carriage, smoking compartment.

is een lid van: passenger train.