cogitate vs talk over

cogitate

verb
  • To consider, to devise. 

  • To meditate, to ponder, to think deeply. 

talk over

verb
  • To persuade (someone); to talk around. 

  • To discuss; to converse about a matter or issue. 

  • To verbally interrupt (someone); to speak at the same time as someone else. 

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