The term 'WASH AWAY' can be summarized by two crossword solutions: ERODE (5 letters) and SCOUR (5 letters). ERODE is a verb meaning to gradually wear away or be worn away by natural forces such as wind or water. SCOUR is also a verb, meaning to clean something by rubbing it hard with a brush or cloth, often with soap or detergent. Both words describe the action of washing away, which is the process of removing something by washing it.