Sapindus Saponaria, commonly known as soapberry or soapnut tree, is a species of plant often used for its natural cleaning properties. However, if you're looking for other ways to refer to this plant, there are a few synonyms you can use. One such synonym is the Indian soapberry, as this plant is native to India where it has been used for centuries to make soap. Another synonym is the soapberry tree, which appropriately describes the plant's role in creating natural soap. Lastly, you can refer to this plant simply as the soapnut, which is a term commonly used in the Western world where this plant has gained popularity as an eco-friendly cleaning solution.