consignment vs shipping

consignment

noun
  • A collection of goods to be sent, in transit or having been sent. 

  • The sale of one's own goods (clothing, furniture, etc.) through a third-party vendor, in exchange for a portion of the sale price, and with the consigner retaining ownership of the goods until they are sold or abandoned. 

  • The act of consigning. 

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 consignment and shipping occurred in a corpus of books? (source: Google Ngram Viewer )