haulier vs transshipment

haulier

noun
  • A person or company engaged in the haulage of goods. 

  • A miner who hauls coal from the coalface to the bottom of the shaft. 

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 haulier and transshipment occurred in a corpus of books? (source: Google Ngram Viewer )