doubling vs waxing

doubling

noun
  • A pleat or fold. 

  • The process or an instance of making something double; a multiplication by two. 

  • The act of turning around, or doubling back. 

waxing

noun
  • The action of the verb to wax. 

  • A recording intended for a phonograph. 

  • A cosmetic procedure in which hair is removed from the body by the application and removal of wax. 

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