dragnet vs nab

dragnet

verb
  • To make heightened efforts to catch a suspect. 

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

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

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

nab

verb
  • To seize, arrest or take into custody (a criminal or fugitive). 

  • To grab or snatch something. 

noun
  • The cock of a gunlock. 

  • The summit of a hill. 

  • The keeper, or box into which the lock is shot. 

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