rapacious vs raptorial

rapacious

adj
  • Given to taking by force or plundering; aggressively greedy. 

  • Voracious; avaricious. 

  • Subsisting off live prey. 

raptorial

adj
  • Like or resembling a raptor; seizing or plundering, like a bird of prey. 

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