Parjanya is a Sanskrit word that means rain or the god of rain in Hindu mythology. Some synonyms for Parjanya are Varsha, Megh, and Vrishti which also mean rain. In Vedic literature, the word Indra is also used as a synonym for rain, as Indra is considered the king of the Gods and a protector of nature. Other synonyms like Jaladhipati, Neela, and Ambudhi denote the rulership or ownership of water and relate to the concept of rain. These synonyms provide a rich vocabulary to describe the phenomenon of rain and its importance in nature and culture.