calumny vs vituperation

calumny

noun
  • A false accusation or charge brought to tarnish another's reputation or standing. 

  • Falsifications or misrepresentations intended to disparage or discredit another. 

verb
  • To make false accusations or levy false charges against a person with the intent to tarnish that person's reputation or standing; to calumniate. 

vituperation

noun
  • Criticism or invective that is sustained and overly harsh; abuse, severe blame or censure. 

  • The act of vituperating; severely blaming or censuring. 

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