hieroglyphic vs shaky

hieroglyphic

adj
  • difficult to decipher 

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

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 

shaky

adj
  • Wavering; undecided. 

  • Easily shaken; tottering; unsound. 

  • Shaking or trembling. 

  • Full of shakes or cracks; cracked. 

  • Nervous, anxious. 

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