calumny vs encomium

calumny

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. 

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

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

encomium

noun
  • The eighth exercise in the progymnasmata series. 

  • A method within rhetorical pedagogy. 

  • A general category of oratory. 

  • Warm praise, especially a formal expression of such praise; a tribute. 

  • A genre of literature that included five elements: prologue, birth and upbringing, acts of the person's life, comparisons used to praise the subject, and an epilogue. 

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