beast of prey vs omnivore

beast of prey

noun
  • A carnivorous animal that hunts for its food, especially one that preys on vertebrates. 

  • A predatory person, savagely cruel and ruthless in their treatment of others. 

omnivore

noun
  • An animal which is able to consume both plants (like a herbivore) and meat (like a carnivore). 

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