decoy vs rope in

decoy

verb
  • To lead into danger by artifice; to lure into a net or snare; to entrap. 

  • To act as, or use, a decoy. 

noun
  • A real or fake animal used by hunters to lure game. 

  • A person or object meant to lure somebody into danger. 

  • Deceptive military device used to draw enemy attention or fire away from a more important target. 

rope in

verb
  • To cause (someone) to become involved in something they are reluctant to do; to draw into something. 

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