chicken scratch vs scribbling

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. 

scribbling

noun
  • That which has been scribbled, written in a scrawled or careless hand. 

  • The carding of wool or cotton. 

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