get on to vs talk to

get on to

verb
  • Used other than figuratively or idiomatically: see get on, to. 

  • To contact (someone) in order to raise or discuss a certain matter. 

  • To progress to; to start working on. 

talk to

verb
  • Used other than figuratively or idiomatically: see talk, to. 

  • To show the beginnings of a romantic interest in; to flirt with over a period of time in hopes of developing a romantic relationship. 

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