executioner vs homicide

executioner

noun
  • An official person who carries out the capital punishment of a criminal. 

  • A hit man, especially being in some organization. 

homicide

noun
  • A victim of homicide; a person who has been unlawfully killed by someone else. 

  • The department within a police force that investigates cases of homicide. 

  • The killing of one person by another, whether premeditated or unintentional. 

  • A person who kills another. 

How often have the words executioner and homicide occurred in a corpus of books? (source: Google Ngram Viewer )