flitch vs jigsaw

flitch

verb
  • To cut into, or off in, flitches or strips. 

noun
  • The flank or side of an animal, now almost exclusively a pig when cured and salted; a side of bacon. 

  • A piece or strip cut off of something else, generally a piece of wood (timber). 

jigsaw

verb
  • To cut something using a jigsaw. 

noun
  • Something that can be compared to a jigsaw puzzle. 

  • A power saw with fine teeth and a narrow blade which can cut curves in wood or metal. 

  • A jigsaw puzzle. 

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