blackguard vs felon

blackguard

noun
  • The lowest servant in a household charged with pots, pans, and other kitchen equipment. 

verb
  • To act like a blackguard; to be a scoundrel. 

  • To revile or abuse in scurrilous language. 

felon

noun
  • A wicked person. 

  • A bacterial infection at the end of a finger or toe. 

  • A person who has committed a felony. 

  • A person who has been tried and convicted of a felony. 

adj
  • wicked; cruel 

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