rippling vs twerk

rippling

noun
  • A motion or sound that ripples. 

adj
  • Moving in a chaotic, undulating fashion, as in a flow of water or a flag blowing in the wind. 

twerk

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. 

verb
  • To twitch or jerk. 

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

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