boxing vs packing

boxing

noun
  • Material used for making boxes or casing. 

  • Automatic conversion of value types to objects by wrapping them within a heap-allocated reference type. 

  • A sport where two opponents punch each other with gloved fists to head and torso; the object being to score more points by the end of the match or by knockout, or technical knockout. 

  • Casing. 

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 boxing and packing occurred in a corpus of books? (source: Google Ngram Viewer )