Polish vs shitehawk

Polish

noun
  • A breed of chickens with a large crest of feathers. 

  • The language spoken in Poland. 

adj
  • Of, from or native to Poland, or relating to the Polish language. 

shitehawk

noun
  • The European herring gull. 

  • An objectionable person; a twat or wanker. 

  • A large scavenging or predatory bird; especially (originally in military use in South Asia) the black kite. 

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