As nouns the difference between pseudonym and alias is that pseudonym is a fictitious name, often used by writers and movie stars while alias is another name; an assumed name.
What is another name for pseudonym?
nom de plume A pseudonym is a false or fictitious name, especially one used by an author. When an author uses a pseudonym, it can also be called a pen name or a nom de plume.
Is a nickname an alias?
As nouns the difference between nickname and alias is that nickname is a familiar, invented given name for a person or thing used instead of the actual name of the person or thing while alias is another name; an assumed name.
Can you have an alias name?
An alias is a name other than the legal one of a person that can be used for many different reasons. Generally, a person is entitled to using an alias if they choose to do so. However, most legal documents that require proof or validity of identity may be necessary and often a legal name change is also legally needed.