The words calash, calèche (French), and barutsche (German) are usually considered near-equivalents of barouche. The brett and the britzka are also closely related carriages. Many of these terms were used synonymously, though usage varied by region and period. In some cases, calash and calèche were applied to entirely different vehicle types.

In the American West, the term buckboard-barouche was sometimes used for a large buckboard employed as a stagecoach