almanac vs diary

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. 

diary

noun
  • A daily log of experiences, especially those of the writer. 

  • A personal organizer or appointment diary. 

verb
  • To keep a diary or journal. 

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