approval vs sneer

approval

noun
  • An expression of favorable acceptance and encouragement; a compliment that also condones. 

  • Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item. 

  • An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements. 

sneer

noun
  • A display of contempt; scorn. 

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

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

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

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