consignment vs transshipment

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. 

transshipment

noun
  • The shipment of goods via an intermediate destination. 

  • The transfer of goods from one means of transport to another. 

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