keep on vs survive

keep on

verb
  • To persist or continue. 

  • To cause or allow to remain in the on or open position. 

  • To cause or allow to remain in an existing position. 

  • To persist in talking about a subject to the annoyance of the listener. 

survive

verb
  • Of a person, to continue to live; to remain alive. 

  • Of an object or concept, to continue to exist. 

  • To live past a life-threatening event. 

  • To be a victim of usually non-fatal harm, to honor and empower the strength of an individual to heal, in particular a living victim of sexual abuse or assault. 

  • Of a team, to avoid relegation or demotion to a lower division or league. 

  • To live longer than; to outlive. 

How often have the words keep on and survive occurred in a corpus of books? (source: Google Ngram Viewer )