Alias vs. Pseudonym

Difference Between Alias and Pseudonym
Aliasadverb
Otherwise; at another time; in other circumstances; otherwise called.
Pseudonymnoun
A fictitious name, as those used by writers and movie stars.
The Reverend Charles Lutwidge Dodgson wrote "Alice's Adventures in Wonderland" under the pseudonym Lewis Carroll.Aliasadverb
(legal) Used to connect the different names of a person who has gone by two or more, and whose true name is for any cause doubtful
Smith, alias Simpson.Pseudonymnoun
a fictitious name used when the person performs a particular social role
Aliasnoun
Another name; an assumed name.
Aliasnoun
(legal) A second or further writ which is issued after a first writ has expired without effect.
Aliasnoun
(computing) An abbreviation that replaces a string of commands and thereby reduces typing when performing routine actions or tasks.
Aliasnoun
(signal processing) An spurious signal generated as a technological artifact.
Aliasverb
(computing) To assign an additional name to an entity, often a more user-friendly one.
Aliasverb
to become indistinguishable
Aliasnoun
a name that has been assumed temporarily
Aliasadverb
as known or named at another time or place;
Mr. Smith, alias Mr. Lafayette