autograph vs hieroglyphic

autograph

noun
  • A person’s own handwriting, especially the signature of a famous or admired person. 

  • A person's signature used as a mark of formal approval. 

  • A manuscript in the author’s handwriting. 

verb
  • To write something in one's own handwriting 

  • To sign, or write one’s name or signature on a book etc 

adj
  • Made by the artist himself or herself; authentic. 

  • Written in the author’s own handwriting. 

hieroglyphic

noun
  • Undecipherable handwriting or secret symbol. 

  • Any symbol used in this system; a hieroglyph. 

  • A writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus 

adj
  • difficult to decipher 

  • of, relating to, or written with this system of symbols 

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