daw vs sea raven

daw

noun
  • A western jackdaw, Coloeus monedula, a passerine bird in the crow family (Corvidae), more commonly called jackdaw. 

verb
  • To dawn. 

sea raven

noun
  • The cormorant. 

  • Any fish in the family Hemitripteridae. 

  • An American cottoid fish, Hemitripterus americanus, allied to the sculpins. 

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