What is another word for pseudonym?
Pronunciation: [sˈuːdə͡ʊnˌɪm] (IPA) 
Pseudonym is a common term used for a false name or a fictitious name. It is often used by authors, artists, and actors who wish to keep their identity anonymous or create a different persona. There are several synonyms for the word pseudonym, including pen name, alias, nom de plume, stage name, and cognomen. These terms can be used interchangeably depending on the context of their use. While pseudonym is the most common term, other synonyms give a more specific idea of its purpose. For instance, the term pen name is usually used for writers, while a stage name is used in the entertainment industry. Regardless of word choice, the intention behind creating a pseudonym is to keep one's identity hidden or to build a different identity altogether.
