filling vs packing

filling

noun
  • Anything that is used to fill something. 

  • A religious experience attributed to the Holy Ghost "filling" a believer. 

  • The woof in woven fabrics. 

  • The contents of a pie, etc. 

  • Any material used to fill a cavity in a tooth or the result of using such material. 

  • Prepared wort added to ale to cleanse it. 

adj
  • Of food, that satisfies the appetite by filling the stomach. 

packing

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

  • 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. 

  • The forming of players into a scrum. 

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

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

  • A fee charged to cover the costs of packaging. 

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

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