burl vs yarn

burl

noun
  • A knot or lump in thread or cloth. 

  • Wood of a mottled veneer, usually cut from such a growth. 

  • A tree growth in which the grain has grown in a deformed manner; a burr knot. 

verb
  • To remove the knots in cloth. 

yarn

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. 

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

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