contents vs shipping

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. 

shipping

noun
  • The transportation of goods. 

  • The body of ships belonging to one nation, port or industry; ships collectively. 

  • Passage or transport on a ship. 

  • Navigation. 

  • The cost of sending an item or package via postal services. 

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