slander vs smirch

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. 

smirch

verb
  • To harm the reputation of; to smear or slander. 

  • To dirty; to make dirty. 

noun
  • A chirp of radiation power from an astronomical body that has a smeared appearance on its plot in the time-frequency plane (usually associated with massive bodies orbiting supermassive black holes) 

  • A stain on somebody's reputation. 

  • Dirt, or a stain. 

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