cartridge vs packing

cartridge

noun
  • A vessel which contains the ink or toner for a computer printer and can be easily replaced with another. 

  • The package consisting of the bullet, primer, and casing containing gunpowder; a round of ammunition. 

  • A removable enclosure containing read-only memory devices, used for rapid loading of software onto a home computer or video game console. 

  • A prefabricated subassembly that can be easily installed in or removed from a larger mechanism or replaced with another interchangeable subassembly. 

  • Magnetic tape storage, used for storing (backup) copies of data. 

packing

noun
  • Special material used to fill containers or vessels for certain chemically related applications. 

  • The gathering of birds, animals etc. into a pack. 

  • Material used to fill in the space around something, especially to make a piston etc. watertight or airtight. 

  • Material used to wrap a product for sale etc.; packaging. 

  • The forming of players into a scrum. 

  • The action of putting things together, especially of putting clothes into a suitcase for a journey. 

  • A fee charged to cover the costs of packaging. 

  • The spatial arrangement of objects, items or constituent parts. 

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