quab vs raptor

quab

noun
  • An unfledged bird. 

  • Something immature or unfinished. 

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 quab and raptor occurred in a corpus of books? (source: Google Ngram Viewer )