above-board vs forthright

above-board

adv
  • Honestly; openly. 

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

forthright

adv
  • Expressly, frankly, unhesitatingly. 

  • Swiftly. 

  • At once, forthwith. 

adj
  • Markedly simple. 

  • Straightforward; not evasive; candid and direct. 

  • Fixed; settled; decided. 

  • Frank, outspoken. 

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