Muscle relaxants are medications used to reduce muscle tension and spasms. Valium (6 letters) is a brand name for the drug diazepam, which is a benzodiazepine that works by calming the central nervous system. Curare (6 letters) is a plant-derived drug that blocks the transmission of nerve impulses to muscles, causing them to relax. RUBDOWN (7 letters) is a massage technique that uses pressure and friction to relax muscles. Diazepam (8 letters) is another brand name for the drug diazepam.