papering vs piece of paper

papering

noun
  • Wallpaper. 

  • A technique of boycotting a judge by the Public Defender's Office by filing a request for a different judge in every case assigned to this judge. 

piece of paper

noun
  • A single sheet or scrap of paper. 

  • A marriage certificate. 

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