pull back vs shudder

pull back

verb
  • Used other than figuratively or idiomatically: see pull, back. 

  • To retreat. 

  • To pass (the ball) into a position further from the attacking goal line. 

  • To score when the team is losing. 

shudder

verb
  • To vibrate jerkily. 

  • To shake nervously, often from fear or horror. 

noun
  • A moment of almost pleasurable fear; a frisson. 

  • A shivering tremor, often from fear or horror. 

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