spiel vs yarn

spiel

verb
  • To talk at length. 

  • To give a sales pitch; to promote by speaking. 

noun
  • A game of curling. 

  • A lengthy and extravagant speech or argument usually intended to persuade. 

  • An early form of rap music. 

yarn

verb
  • To tell a story or stories, especially one that is lengthy or unlikely to be true. 

noun
  • A twisted strand of fiber used for knitting or weaving. 

  • Bundles of fibers twisted together, and which in turn are twisted in bundles to form strands, which in their turn are twisted or plaited to form rope. 

  • A story, a tale, especially one that is incredible. 

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