almanac vs publication

almanac

noun
  • A handbook, typically published annually, containing information on a particular subject 

  • A book or table listing nautical, astronomical, astrological or other events for the year; sometimes, but not essentially, containing historical and statistical information. 

  • A GPS signal consisting of coarse orbit and status information for each satellite in the constellation. 

publication

noun
  • An issue of printed or other matter, offered for sale or distribution. 

  • The act of publishing printed or other matter. 

  • The communication of information to the general public etc. 

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