calumny vs traducement

calumny

noun
  • Falsifications or misrepresentations intended to disparage or discredit another. 

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

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. 

traducement

noun
  • The act of traducing; slander, calumny. 

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