Surface burn is a type of burn that affects the outer layer of skin. It is usually caused by contact with hot objects or liquids, and can range from mild to severe. The two crossword solutions for this term are SINGE (5 letters) and SCORCH (6 letters). SINGE is a verb meaning to burn superficially, while SCORCH is a verb meaning to burn or discolor with intense heat. Both terms refer to the same type of burn, but SCORCH implies more severe damage than SINGE.