clipping vs woodchip

clipping

noun
  • A piece of something removed by clipping. 

  • The use of a mask to hide part of an object or image. 

  • The process of cutting off a signal level that rises above a certain maximum level. 

  • Falling, rolling, or throwing one's body on the back of an opponent's legs after approaching from behind. 

  • An article clipped from a newspaper. 

  • A short form (of a word) created by removing syllables. 

woodchip

noun
  • A small mechanically produced piece (chip) of wood, generally from 0.5 to 10 cm in diameter, used primarily as raw material for pulp, paper and construction boards, as well as fuel and mulch. 

  • A small fibre of wood; especially such material as used to make ingrain wallpaper, aka woodchip wallpaper. See Wikipedia article on ingrain wallpaper. 

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