destroy vs wear down

destroy

verb
  • To defeat soundly. 

  • To sing a song poorly. 

  • To put down or euthanize. 

  • To remove data. 

  • To exhaust duly and thus recreate or build up. 

  • To penetrate sexually in an aggressive way. 

  • To damage beyond use or repair. 

  • To severely disrupt the well-being of (a person); ruin. 

  • To neutralize, undo a property or condition. 

wear down

verb
  • To eventually persuade or defeat (someone) through persistent effort. 

  • To cause (someone) physical or mental fatigue. 

  • Used other than figuratively or idiomatically: see wear, down. 

How often have the words destroy and wear down occurred in a corpus of books? (source: Google Ngram Viewer )