patronize vs promo

patronize

verb
  • To act as a patron of; to defend, protect, or support. 

  • To assume a tone of unjustified superiority toward; to talk down to, to treat condescendingly. 

  • To make oneself a customer of a business, especially a regular customer. 

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