When it comes to cleaning dishes, there are several household products that can be used instead of dishwashing liquid. Some common synonyms include dish soap, dish detergent, dishwashing soap, and dishwash liquid. Other household products that can be used to clean dishes include vinegar, baking soda, and lemon juice. These natural alternatives are eco-friendly and gentle on the skin, making them perfect for those with sensitive skin. While dishwashing liquid remains the most popular choice for cleaning dishes, it's always good to know that there are alternative options available for those who prefer a more natural approach.