dragnet vs fisherman

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. 

fisherman

noun
  • A vessel (boat or ship) used for fishing. 

  • Any person who attempts to catch fish. 

  • A person whose profession is catching fish. 

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