cartage vs transshipment

cartage

noun
  • The transport of goods by cart; carting 

  • Any vehicular transportation of goods. 

  • A charge made for such transport. 

transshipment

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

  • The shipment of goods via an intermediate destination. 

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