insult vs sneer

insult

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

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

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

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

sneer

verb
  • To utter with a grimace or contemptuous expression; to say sneeringly. 

  • To raise a corner of the upper lip slightly, especially in scorn 

noun
  • A display of contempt; scorn. 

  • A facial expression where one slightly raises one corner of the upper lip, generally indicating scorn. 

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