Polish vs scabrous

Polish

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

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

  • The language spoken in Poland. 

scabrous

adj
  • Of music, writing, etc.: lacking refinement; unmelodious, unmusical. 

  • Disgusting, repellent. 

  • Difficult, thorny, troublesome. 

  • Covered with a crust of dirt or grime. 

  • Having scabers 

  • Covered with scales or scabs; hence, very coarse or rough. 

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