Synonyms of 'alias'
pseudonymDictionary, pen name, assumed name
He 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.
A writer's pen name is the name that he or she uses on books and articles instead of his or her real name.
Eric Blair, better known by his pen name of George Orwell
Thesaurus for alias from the Collins English Thesaurus
An alias is a false name, especially one used by a criminal .