dragnet vs quagmire

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. 

quagmire

noun
  • A swampy, soggy area of ground. 

  • A perilous, mixed up and troubled situation; a hopeless tangle. 

verb
  • To embroil (a person, etc.) in complexity or difficulty. 

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