Sal soda, also known as washing soda or soda ash, is a versatile ingredient in cleaning and household products. It is often used as a water softener, stain remover, and degreaser. If you are looking for synonyms for sal soda, you may want to consider borax, baking soda, or sodium carbonate. Borax is a naturally occurring mineral that has similar properties to sal soda and can be used for cleaning and laundry. Baking soda is commonly used as a mild abrasive and odor remover. Sodium carbonate, also known as soda ash, is a common ingredient in industrial cleaning products and is often used in swimming pools for pH balancing.