consign vs transship

consign

verb
  • To transfer to the custody of, usually for sale, transport, or safekeeping. 

  • To stamp or impress; to affect. 

  • To send to a final destination. 

  • To entrust to the care of another. 

  • To assign; to devote; to set apart. 

transship

verb
  • To be transferred from one vessel or conveyance to another for onward shipment. 

  • To transfer something from one vessel or conveyance to another for onward shipment. 

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