nickname
definition: a familiar name for a person, often a shortened version of a person's given name
example: My friends called me by my nickname, but my parents used my full name.
speech part: noun
synonyms:
cognomen
definition: a descriptive name for a place or thing
example: The nickname for the U.S.S. Constitution is 'Old Ironsides' due to much success in battle.
speech part: noun
synonyms:
definition: give a familiar name to
example: I nicknamed my schoolmate to deepen our friendship.
speech part: verb
synonyms:
dub