hieroglyphic vs rebus

hieroglyphic

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

  • Undecipherable handwriting or secret symbol. 

  • Any symbol used in this system; a hieroglyph. 

adj
  • difficult to decipher 

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

rebus

noun
  • An arrangement of pictures, symbols, and/or words representing phrases or words, especially as a word puzzle. 

  • An arrangement of pictures on a coat of arms which suggests the name of the person to whom it belongs. 

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