packaging vs wrapper

packaging

noun
  • The materials used to pack something. 

  • The industry that produces such material. 

  • The manner in which a person or product is promoted. 

  • The act of packing something. 

wrapper

noun
  • Something that is wrapped around something else as a cover or protection: a wrapping. 

  • An outer garment; a loose robe or dressing gown. 

  • One who, or that which, wraps. 

  • A construct, such as a class or module, that serves to mediate access to another. 

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