griffonage vs scratching

griffonage

noun
  • Careless handwriting; a crude or illegible scrawl. 

scratching

noun
  • The act or sound of something being scratched. 

  • Record scratching, a technique of starting and stopping a vinyl record from playing to produce music in hip hop. 

  • A pork scratching. 

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