curling vs waving

curling

noun
  • The action or motion of something that curls or is curled. 

  • A winter sport where players aim and slide stones down a sheet of ice and attempt to get their color stones closest to the house (a circular target marked on the ice). 

waving

noun
  • The motion of something that waves. 

  • Repeated moving of arms or hands to signal. 

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