flitter vs twerk

flitter

verb
  • To flutter or quiver. 

  • To scatter in pieces. 

  • To move about rapidly and nimbly. 

  • To move quickly from one condition or location to another. 

noun
  • Any of various hesperiid butterflies of the genus Hyarotis. 

  • A fluttering movement 

  • A small aircraft or spacecraft. 

  • A small perceptible feeling 

  • A rag; a tatter; a small piece or fragment. 

twerk

verb
  • To twitch or jerk. 

  • To move the body in a sexually suggestive twisting or gyrating fashion, especially as a dance. 

noun
  • A fitful movement similar to a twitch or jerk. 

  • A dance involving sexual movements of the hips and buttocks. 

  • An abrupt call, such as that made by the California quail. 

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