insult vs slander

insult

noun
  • Something that causes offence (for example, by being of an unacceptable quality). 

  • Something causing disease or injury to the body or bodily processes; the injury so caused. 

  • Action or form of speech deliberately intended to be rude; (countable) a particular act or statement having this effect. 

verb
  • To be insensitive, insolent, or rude to (somebody); to affront or demean (someone). 

slander

noun
  • 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. 

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

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

  • To poke fun at a certain group of people 

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