razz vs slander

razz

verb
  • To tease playfully; to heckle. 

  • To heckle by blowing a raspberry. 

  • To drive an automobile around. 

noun
  • A version of seven card stud where the worst poker hand wins (called lowball). 

slander

verb
  • To poke fun at a certain group of people 

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

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. 

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