Synonyms of 'alias'
pseudonymDictionary, pen name, assumed nameHe had rented a house using an alias.
also known as
otherwise known as
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nom de plume
An author's nom de plume is a name that he or she uses instead of their real name.
Dodgson wrote under the nom de plume of Lewis Carroll.
Thesaurus for alias from the Collins English Thesaurus
An alias is a false name, especially one used by a criminal .