entomophagous vs insectivorous

entomophagous

adj
  • feeding on insects; insectivorous 

insectivorous

adj
  • Feeding on insects. 

  • Capable of trapping and absorbing insects; such as the sundew, pitcher plant and Venus flytrap. 

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