dragnet vs manhunt

dragnet

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

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

verb
  • To make heightened efforts to catch a suspect. 

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

manhunt

noun
  • An organized search for a criminal or enemy. 

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