scheming vs truthful

scheming

noun
  • The activity or practice of making secret or underhanded plans. 

adj
  • Tending to scheme; forming underhand plots. 

truthful

adj
  • Honest, and always telling the truth. 

  • Accurately depicting what is real. 

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