sandpaper vs scritch

sandpaper

verb
  • To polish or grind (a surface) with or as if with sandpaper. 

noun
  • A sheet of such paper. 

  • A strong paper coated with sand, ground glass, or other abrasive material for smoothing and polishing. 

scritch

verb
  • To scratch so as to relieve an itch or irritation. 

  • To make a light scratching sound, like a small animal burrowing. 

noun
  • The act of scratching an itch. 

  • A light scratching sound, like a small animal burrowing. 

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