abase vs demean

abase

verb
  • To lower, as in condition in life, office, rank, etc., so as to cause pain or hurt feelings; to degrade, to depress, to humble, to humiliate. 

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 abase and demean occurred in a corpus of books? (source: Google Ngram Viewer )