hoar vs shivery

hoar

noun
  • A white or greyish-white colour. 

  • Hoariness; antiquity. 

adj
  • Hoarily bearded. 

  • Of a white or greyish-white colour. 

shivery

adj
  • Given to shivering; tending to shiver. 

  • Easily broken; brittle. 

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