Polish vs wishbone

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. 

wishbone

noun
  • A suspension component similar in shape to a chicken wishbone. 

  • Any sailing vessel rigged with a wishbone. 

  • A particular kind of offensive formation. See wishbone formation. 

  • A forked bone between the neck and breast of a bird consisting chiefly of the two clavicles fused at their median or lower end, regarded as a lucky charm in some countries. 

  • A spar in two parts, between which a sail is hoisted, the wishbone extending its clew. 

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