packaging vs promo

packaging

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

  • The industry that produces such material. 

  • The materials used to pack something. 

  • The act of packing something. 

promo

noun
  • an interview or monologue intended to promote a character or an upcoming match. 

verb
  • To promote; to publicize. 

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