pass on vs promo

pass on

verb
  • To convey or communicate. 

  • To go forward. 

  • To die. 

  • To transfer (something) to someone, especially by handing or bequeathing it to the next person in a series. 

  • To skip or decline. 

promo

verb
  • To promote; to publicize. 

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

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