wallcovering vs wrapping paper

wallcovering

noun
  • A covering for a wall, such as wallpaper 

wrapping paper

noun
  • Paper used for wrapping parcels (in this case, often brown) or presents (in this case, often colourful/colorful and decorative). 

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