blackguard vs debtor

blackguard

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

  • To revile or abuse in scurrilous language. 

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

debtor

noun
  • One who owes another anything, or is under obligation, arising from express agreement, implication of law, or principles of natural justice, to pay money or to fulfill some other obligation; in bankruptcy or similar proceedings, the person who is the subject of the proceeding. 

  • A person or firm that owes money; one in debt; one who owes a debt. 

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