motorkocsi (vasúti) betyr engelsk

rail-car [rail-cars]+noun
[UK: reɪl kɑː(r)] [US: ˈreɪl ˈkɑːr]

rail-motor+noun
[UK: reɪl ˈməʊ.tə(r)] [US: ˈreɪl ˈmoʊ.tə(r)]