The crossword solution for the term 'FREE OF SUDS' is 'RINSE'. Rinsing is a process of washing dishes, clothes, or other items with water to remove soap or detergent. It is usually done after the item has been washed with soap or detergent and is used to remove any remaining residue. Rinsing is an important part of the cleaning process as it helps to ensure that all of the soap or detergent is removed from the item.