play dead vs succumb

play dead

verb
  • To lie very still, like a corpse. 

  • To act as though defeated while awaiting a chance to attack. 

succumb

verb
  • To die. 

  • To yield to an overpowering force or overwhelming desire. 

  • To give up, or give in. 

  • To overwhelm or bring down. 

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