bulletin vs tidings

bulletin

verb
  • To announce something by means of such a report or publication. 

intj
  • Introduces an obvious fact of which the person addressed is ostensibly not aware. 

noun
  • A short printed publication, especially one produced regularly by an organization. 

  • A short report, especially one released through official channels to be immediately broadcast or publicized. 

  • A news item or short news report. 

tidings

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