Acorus Calamus is commonly known as sweet flag or rat root, but it has many other synonyms depending on the region and language. In Sanskrit, it is called 'Vacha,' meaning "to speak," and is used in Ayurvedic medicine to treat speech disorders. Some Native American tribes refer to it as 'Calmus Root' or 'Sweet Sedge' for its aromatic flavor and medicinal properties. In Japan, it is known as 'Shoubu,' which is used in traditional medicine to treat digestive issues. Other synonyms include 'Sweet Cane,' 'Gladdon,' 'Myrtle Grass,' and 'Beewort.' All these synonyms refer to the same plant species, which is widely valued for its medicinal and aromatic properties.