demean vs mortify

demean

verb
  • To humble, humble oneself; to humiliate. 

  • To debase; to lower; to degrade. 

  • To subtract the mean from (a value, or every observation in a dataset). 

  • To mortify. 

noun
  • resources; means. 

  • demesne. 

mortify

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

  • To grant in mortmain. 

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

  • To lose vitality. 

  • To be subdued. 

  • To gangrene. 

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