noun / verb / adverb
alias
AY-lee-uhs/ˈeɪliʌs/
An alternative name for someone or something.
The replacement name lets her use an alias.

Etymology
The adverb meaning “otherwise” entered English in the sense “otherwise called.” It then became a noun for the alternative or assumed name itself.
In context
Of course, the name of the man in the clipping was Bernard Craig. But Valancy had always thought Snaith was an alias.
More examples
- Investigators discovered two aliases used by the suspect.
- The file has a shorter alias for convenience.
- He was known as Samuel Reed, alias Red.
Forms
alias · aliases · aliased · aliasing
aliased adjective — assigned an alternative name