Allonym vs. Pseudonym — What's the Difference?

The name of a person, usually a historical person, assumed by a writer.

A pseudonym () (originally: ψευδώνυμος in Greek) or alias () is a fictitious name that a person or group assumes for a particular purpose, which differs from their original or true name (orthonym). This also differs from a new name that entirely or legally replaces an individual's own.

A pseudonym, (particularly) another person's name used as a pseudonym by the author of a work.

A fictitious name, especially a pen name.

(uncommon) An allonymous work: a book published under the name of a person other than its true author.

A fictitious name (more literally, a false name), as those used by writers and movie stars.

The name of another person assumed by the author of a work.

A fictitious name assumed for the time, as by an author; a pen name; an alias.

A work published under the name of some one other than the author.

A fictitious name used when the person performs a particular social role