debase vs demean

debase

verb
  • To lower in character, quality, or value; to degrade. 

  • To lower the value of (a currency) by reducing the amount of valuable metal in the coins. 

demean

verb
  • To debase; to lower; to degrade. 

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

  • To mortify. 

  • To humble, humble oneself; to humiliate. 

noun
  • resources; means. 

  • demesne. 

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