encourage vs mortify

encourage

verb
  • To mentally support; to motivate, give courage, hope or spirit. 

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

mortify

verb
  • To discipline (one's body, appetites etc.) by suppressing desires; to practise abstinence on. 

  • To embarrass, to humiliate. To injure one's dignity. 

  • To grant in mortmain. 

  • To lose vitality. 

  • To be subdued. 

  • To gangrene. 

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