Pishacha is a term that originates from Hindu mythology and is commonly used to describe a type of evil spirit or demon. There are several synonyms that can be used to describe this entity, including rakshasa, bhuta, preta, and vetala. These terms all refer to malevolent spirits or demons that are believed to haunt and harm humans. The concept of these supernatural beings is deeply rooted in Hinduism and is often portrayed in mythology, folklore, and literature. While the word pishacha may not be commonly used in English, its synonyms have made their way into popular culture and are often used in storytelling and media.