above-board vs undistinguished

above-board

adj
  • In open sight; without trick, concealment, or deception. 

adv
  • Honestly; openly. 

undistinguished

adj
  • Not distinguished: not having an air of distinction. 

  • Not distinguished: not marked by conspicuous qualities. 

How often have the words above-board and undistinguished occurred in a corpus of books? (source: Google Ngram Viewer )