cannibal vs predatory

cannibal

noun
  • An organism which eats others of its own species or kind, especially a human who eats human flesh. 

predatory

adj
  • Living by preying on other living animals. 

  • Of, or relating to a predator. 

  • Exploiting or victimizing others for personal gain. 

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