etching vs scoring

etching

noun
  • The art of producing an image from a metal plate into which an image or text has been etched with acid. 

  • The image created by this process. 

scoring

noun
  • The action of scratching paper or other material to make it easier to fold. 

  • The process of winning points in a sport or contest. 

  • The process of keeping score in a sport or contest. 

  • A deep groove made by glacial action or similar. 

adj
  • Of something or someone that scores. 

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