hibernal vs parky

hibernal

adj
  • Of or pertaining to winter; brumal or hiemal 

parky

adj
  • Synonym of chilly: somewhat cold but not extremely so. 

  • Having parks or parklike areas. 

  • Of, from, or related to a park or parks generally, especially parklike. 

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