hoar vs venerability

hoar

noun
  • Hoariness; antiquity. 

  • A white or greyish-white colour. 

adj
  • Hoarily bearded. 

  • Of a white or greyish-white colour. 

venerability

noun
  • The qualities of being venerable; great age, respectability, infirmity, etc. 

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