double-dealing vs snide

double-dealing

adj
  • Cheating, dishonest; treacherous. 

noun
  • deceit or treachery 

snide

adj
  • Tricky; deceptive; false; spurious; contemptible. 

  • Disparaging or derisive in an insinuative way. 

noun
  • An underhanded, tricky person given to sharp practice; a sharper; a cheat. 

  • Counterfeit money. 

How often have the words double-dealing and snide occurred in a corpus of books? (source: Google Ngram Viewer )