pixie vs shit-stirrer

pixie

noun
  • A butterfly of the genus Melanis. 

  • A cute, petite woman with short hair. 

  • A playful sprite or elflike or fairy-like creature. 

  • An upper-atmospheric optical phenomenon associated with thunderstorms, a short-lasting pinpoint of light on the surface of convective domes that produces a gnome. 

shit-stirrer

noun
  • One who enjoys creating trouble for others by provoking controversy, for example by revealing facts that others would prefer to keep secret. 

How often have the words pixie and shit-stirrer occurred in a corpus of books? (source: Google Ngram Viewer )