pull off vs strip away

pull off

verb
  • To remove by pulling. 

  • To begin moving and then move away; to pull away. 

  • To masturbate. 

  • To achieve; to succeed at something difficult. 

  • To turn off a road (onto the side of the road, or onto another road). 

strip away

verb
  • To remove, whether bit by bit or suddenly. 

  • To discard or disregard; to ignore (a factor that obscures the reality). 

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