sly vs snide

sly

adj
  • Artfully cunning; secretly mischievous; wily. 

  • Done with, and marked by, artful and dexterous secrecy; subtle 

  • Light or delicate; slight; thin. 

  • Dexterous in performing an action, so as to escape notice 

adv
  • Slyly. 

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 sly and snide occurred in a corpus of books? (source: Google Ngram Viewer )