chicken scratch vs hieroglyphic

chicken scratch

noun
  • Cramped or illegible handwriting. 

  • Chicken feed consisting of random mixed grains such as corn, wheat, barley, sorghum and milling by-products. 

  • A type of cross-stitch embroidery done on gingham fabric. 

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 chicken scratch and hieroglyphic occurred in a corpus of books? (source: Google Ngram Viewer )