dragnet vs fishhook

dragnet

noun
  • A net dragged across the bottom of a body of water. 

  • Heightened efforts by law-enforcement personnel to capture suspects. 

verb
  • To make heightened efforts to catch a suspect. 

  • To drag a net across the bottom of a body of water. 

fishhook

noun
  • a barbed hook, usually metal, used for fishing 

  • a jack (the playing card) 

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