Do you know ghouls from goblins and ghosts?
early 15c., "dodging movements of a hunted animal;" 1620s, "a trick," from Old French ruse, reuse "diversion, switch in flight; trick, jest" (14c.), back-formed noun from reuser "to dodge, repel, retreat; deceive, cheat," from Latin recusare "deny, reject, oppose," from re-, intensive prefix (see re-), + causari "plead as a reason, object, allege," from causa "reason, cause" (see cause (n.)). It also has been proposed that the French word may be from Latin rursus "backwards," or a Vulgar Latin form of refusare. Johnson calls it, "A French word neither elegant nor necessary." The verb ruse was used in Middle English.
city of northern Bulgaria, on the Danube River near the mouth of the Rusenski Lom. Bulgaria's principal river port and a transportation hub for road and rail, Ruse has regular shipping services on the Danube and an airport. Upstream is the Friendship Bridge, built in 1954, carrying road and rail traffic across the river to Giurgiu, in Romania. Ruse is an industrial town, with an oil refinery, railway car and locomotive works, textile mills, and plants for food processing and the production of agricultural machinery, leather goods, ceramics, and other consumer goods. The harbour is cut in the Danube alluvial plain at the foot of low bluffs.