autography vs calligraphy

autography

noun
  • Writing in one's own handwriting. 

  • A process in lithography by which a writing or drawing is transferred from paper to stone. 

  • An autobiography. 

calligraphy

noun
  • The art or practice of writing letters and words in a decorative style; the letters and words so written. 

  • A document written in decorative style. 

  • Any such style of decorative writing. 

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