knurl vs scrap

knurl

noun
  • A crossgrained protuberance; a nodule; a boss or projection. 

  • A contorted knot in wood. 

  • A lined or crossgrained pattern of ridges or indentations rolled or pressed into a part for grip. 

verb
  • To roll or press a pattern of ridges or indentations into a part for grip. 

scrap

noun
  • A (small) piece; a fragment; a detached, incomplete portion. 

  • Loose-leaf tobacco of a low grade, such as sweepings left over from handling higher grades. 

  • A fight, tussle, skirmish. 

  • The crisp substance that remains after drying out animal fat. 

  • The smallest amount. 

  • Discarded objects (especially metal) that may be dismantled to recover their constituent materials, junk. 

  • A piece of deep-fried batter left over from frying fish, sometimes sold with chips. 

  • A Hispanic criminal, especially a Mexican or one affiliated with the Sureno gang. 

  • Leftover food. 

verb
  • To discard. 

  • To make into scrap. 

  • to fight 

  • To stop working on indefinitely. 

  • To scrapbook; to create scrapbooks. 

  • To dispose of at a scrapyard. 

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