shady vs unfair

shady

adj
  • Not trustworthy; disreputable. 

  • Abounding in shades. 

  • Mean, cruel. 

  • Overspread with shade; sheltered from the glare of light or sultry heat. 

  • Causing shade. 

unfair

adj
  • not fair, unjust 

  • sorrowful; sad 

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