nickname, moniker, cognomen, sobriquet, soubriquet, byname -- (a familiar name for a person (often a shortened version of a person's given name); "Joe's mother would not use his nickname and always called him Joseph"; "Henry's nickname was Slim")
surname, family name, cognomen, last name -- (the name used to identify the members of a family (as distinguished from each member's given name))
(Sound)
