almanac vs memoir

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. 

memoir

noun
  • A biography; a book describing the experiences of a subject from personal knowledge of the subject or from sources with personal knowledge of the subject. 

  • Any form of narrative describing the personal experiences of a writer. 

  • An autobiography; a book describing the personal experiences of an author. 

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