chanter vs raptor

chanter

noun
  • The hedge sparrow. 

  • The pipe of a bagpipe on which the melody is played. 

  • One who chants or sings. 

  • A priest who sings in a chantry. 

raptor

noun
  • A bird of prey. 

  • One of the dromaeosaurs, a family of carnivorous dinosaurs having tearing claws on the hind legs. 

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