inscription vs paper trail

inscription

noun
  • Words written in the front of a book as a dedication. 

  • Text carved on a wall or plaque, such as a memorial or gravestone. 

  • The text on a coin. 

  • The act of inscribing. 

paper trail

noun
  • A written record, history, or collection of evidence. 

  • Records left by a person or organization in the course of activities. 

  • Physical evidence of something that occurred in the past. 

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