big game vs hobby

big game

noun
  • Any large animal(s) hunted for sport. 

hobby

noun
  • An extinct breed of horse native to the British Isles, also known as the Irish Hobby 

  • An activity that one enjoys doing in one's spare time. 

  • Any of four species of small falcons in the genus Falco, especially Falco subbuteo. 

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