slander vs vindicate

slander

verb
  • To utter a slanderous statement about; baselessly speak ill of. 

  • To poke fun at a certain group of people 

noun
  • A collection of humorous videos intended to poke fun at a certain group of people, such as a community or nation 

  • A false or unsupported, malicious statement (spoken, not written), especially one which is injurious to a person's reputation; the making of such a statement. 

vindicate

verb
  • To clear of an accusation, suspicion or criticism. 

  • To provide justification for. 

  • To lay claim to; to assert a right to; to claim. 

  • To maintain or defend (a cause) against opposition. 

  • To justify by providing evidence. 

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