almanac vs compendium

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. 

compendium

noun
  • A short, complete summary; an abstract. 

  • A collection of board games packaged in a single box. 

  • A collected body of information on the standards of strength, purity, and quality of drugs. 

  • A list or collection of various items. 

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