blurry vs foggy

blurry

adj
  • Not clear, crisp, or focused; having fuzzy edges. 

  • Not clear; lacking well-defined boundaries. 

foggy

adj
  • Confused, befuddled, etc. 

  • Being, covered with, or pertaining to fog (“tall grass etc that grows after, or is left after, cutting; moss”) 

  • Obscured by mist or fog; unclear; hazy 

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