almanac vs annals

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. 

annals

noun
  • A periodic publication, containing records of discoveries, transactions of societies, etc. 

  • A relation of events in chronological order, each event being recorded under the year in which it happened. 

  • Historical records; chronicles; history. 

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