detach vs drive a wedge between

detach

verb
  • To separate for a special object or use. 

  • To take apart from; to take off. 

  • To come off something. 

drive a wedge between

verb
  • To separate. 

  • To cause dispute or hostility between. 

How often have the words detach and drive a wedge between occurred in a corpus of books? (source: Google Ngram Viewer )