drive a wedge between vs drive away

drive a wedge between

verb
  • To cause dispute or hostility between. 

  • To separate. 

drive away

verb
  • To force someone or something to leave 

  • Used other than figuratively or idiomatically: see drive, away. 

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