above-board vs licit

above-board

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

adv
  • Honestly; openly. 

licit

adj
  • Not forbidden by formal or informal rules. 

  • Explicitly established or constituted by law. 

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