downright vs slightly

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 

slightly

adv
  • To a small extent or degree. 

  • Slenderly; delicately. 

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