cormorant vs raptorial

cormorant

adj
  • Voracious; aggressively greedy. 

noun
  • A voracious eater; also, a person who, or thing which, is aggressively greedy for wealth, etc. 

  • Any of various medium-large black seabirds of the family Phalacrocoracidae which dive into water for fish and other aquatic animals, found throughout the world except for islands in the centre of the Pacific Ocean; specifically, the great cormorant (Phalacrocorax carbo). 

raptorial

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

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