demean vs extermination

demean

noun
  • demesne. 

  • resources; means. 

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. 

extermination

noun
  • Elimination. 

  • The act of exterminating; total destruction or eradication 

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