dead on vs downright

dead on

adv

  • exactly at 

adj

  • very accurate 

downright

adv

  • Really; actually; quite 

adj

  • Directly to the point; plain 

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

  • Complete; absolute 

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