contents vs replenishment

contents

noun
  • That which is contained. 

  • A table of contents, a list of chapters, etc. in a book, and the page numbers on which they start. 

replenishment

noun
  • A new supply of something. 

  • The act of replenishing. 

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