complication vs jigsaw

complication

noun
  • The state of being complicated; intricate or confused relation of parts; complexity. 

  • A person who doesn't fit in with the main scheme of things; an interloper. 

  • The act or process of complicating. 

  • A feature beyond basic time display in a timepiece. 

  • A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it. 

jigsaw

noun
  • A jigsaw puzzle. 

  • 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. 

verb
  • To cut something using a jigsaw. 

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