jigsaw vs perplex

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. 

perplex

verb
  • To involve; to entangle; to make intricate or complicated. 

  • To cause to feel baffled; to puzzle. 

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