payload vs shipping

payload

noun
  • That part of a cargo that produces revenue. 

  • The actual data in a data stream. 

  • The total weight of passengers, crew, equipment, and cargo carried by an aircraft or spacecraft. 

  • That part of a rocket, missile, propelled stinger, or torpedo that is not concerned with propulsion or guidance, such as a warhead or satellite. 

  • The functional part of a computer virus or another type of malware program, rather than the part that spreads it. 

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