incentivize vs promo

incentivize

verb
  • To provide incentives for; to encourage. 

  • To provide incentives to. 

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 incentivize and promo occurred in a corpus of books? (source: Google Ngram Viewer )