promo vs sweet-talk

promo

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

verb
  • To promote; to publicize. 

sweet-talk

noun
  • A manner of talking to someone in a pleasing or funny way in order to persuade them to do or believe something. 

verb
  • To persuade using flattery. 

  • To flatter. 

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