common raven vs gobble

common raven

noun
  • A large all-black passerine bird in the crow family, Corvus corax. 

  • A dark-colored South Asian swallowtail butterfly, Papilio castor 

gobble

noun
  • The sound of a turkey; or, a similar vocalisation of another bird. 

  • Fellatio; a blowjob. 

  • An act of eating hastily or greedily. 

  • A rapid straight putt so strongly played that, if the ball had not gone into the hole, it would have gone a long way past. 

verb
  • To make the sound of a turkey. 

  • Of a turkey, to make its characteristic vocalisation; also, used of certain other birds. 

  • To eat hastily or greedily; to scoff or scarf (often used with up) 

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