hieroglyphic vs pictorial

hieroglyphic

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

  • difficult to decipher 

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 

pictorial

adj
  • Of, relating to, composed of, or illustrated by pictures. 

  • Described or otherwise represented as if in a picture; graphic or vivid. 

  • Stylistically similar to a painting, especially following the conventions of pictorialism. 

noun
  • A newspaper or magazine with many pictures, or section thereof. 

  • A stamp featuring a vignette of local scenery or culture. 

  • An article primarily featuring many photographs, or simply a collection of photographs. 

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