above-board vs unsavory

above-board

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

adv
  • Honestly; openly. 

unsavory

adj
  • Making an activity undesirable. 

  • Not savory; without flavor. 

  • Of bad taste; distasteful. 

  • Disreputable, not respectable, of questionable moral character. 

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