deceitful vs downright

deceitful

adj
  • Deliberately misleading or cheating. 

  • Deceptive, two-faced. 

downright

adj
  • Using plain direct language; accustomed to express opinions directly and bluntly; blunt. 

  • Directly to the point; plain 

  • Complete; absolute 

adv
  • Really; actually; quite 

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