dragnet vs reel in

dragnet

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

  • To make heightened efforts to catch a suspect. 

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

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

reel in

verb
  • To bring (a fish etc.) out of the water by winding the reel. 

  • To bring in (e.g. by attractive offers or persuasion); to lure. 

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