Marilith is a term used in fantasy literature and games to describe a type of demon or monster that has multiple arms and wields a variety of weapons. However, there are a few synonyms for this term that can be used interchangeably depending on the context. These include naga, rakshasa, asura, and shtriga, among others. Each of these terms may have different cultural or mythological connotations, but they all refer to similar types of creatures. Thus, whether you're writing a novel, playing a game, or just seeking out new ways to describe a monster, exploring these synonyms can add depth and variety to your vocabulary.