drive home vs persist

drive home

verb
  • To emphasize (a point) with tangible or powerful demonstration. 

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

  • To push something into position completely by force. 

persist

verb
  • To repeat an utterance. 

  • To go on stubbornly or resolutely. 

  • To cause to persist; make permanent. 

  • To continue to exist. 

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