hibernal vs snappy

hibernal

adj
  • Of or pertaining to winter; brumal or hiemal 

snappy

adj
  • Chilly, brisk, sharp. 

  • Irritable. 

  • Tidy; well-dressed; sharp. 

  • Clever, catchy. 

  • Rapid and without delay. 

  • Tending to snap or bite 

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