We don't have synonyms for railcars yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are railcar, railcard and railcards.
(n) :
(rail transport) A self-propelled railway vehicle for passengers, similar to a bus.
(n) :
(rail transport) A powered single railway vehicle designed for passenger transport, with a driver's cab in both ends; Not to be confused with motor coach/motorcar, which is a powered railway vehicle capable to haul a train.
(n) :
(Only in Canada and US) Any unpowered railway vehicle
(n) :
(rail transport) A self-propelled railway vehicle for passengers, similar to a bus.
(n) :
(rail transport) A powered single railway vehicle designed for passenger transport, with a driver's cab in both ends; Not to be confused with motor coach/motorcar, which is a powered railway vehicle capable to haul a train.
(n) :
(Only in Canada and US) Any unpowered railway vehicle