Carrier Freight is a term used to describe the transportation of goods from one place to another. BARGE, with five letters, is a type of boat that is used to transport goods on rivers and canals. Keelboat, with eight letters, is a type of boat that is propelled by oars or sails and is used to transport goods on rivers and lakes. BOXCAR, with six letters, is a type of railroad car used to transport goods by rail. Coaler, with six letters, is a type of boat used to transport coal on rivers and canals.