blench vs pull back

blench

verb
  • To fly off; to turn aside. 

  • To deceive; cheat. 

  • To hinder; obstruct; disconcert; foil. 

  • To shrink; start back; give way; flinch; turn aside or fly off. 

  • To quail. 

  • To draw back from; shrink; avoid; elude; deny, as from fear. 

noun
  • A deceit; a trick. 

  • A sidelong glance. 

pull back

verb
  • To retreat. 

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

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

  • To score when the team is losing. 

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