headhunter vs recruiter

headhunter

noun
  • A person who practises headhunting, the taking and preserving of a person's head after killing them. 

  • One who recruits senior personnel for a company. 

  • A pitcher who throws at the batter's head. 

  • A player who uses a hockey stick to attempt to strike an opponent's head. 

recruiter

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