break the news vs divulge

break the news

verb
  • To inform someone of something first, usually used when it will be difficult to tell the person. 

divulge

verb
  • To make public or known; to communicate to the public; to tell (information, especially a secret) so that it may become generally known. 

  • To indicate publicly; to proclaim. 

How often have the words break the news and divulge occurred in a corpus of books? (source: Google Ngram Viewer )