above-board vs distinct

above-board

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

adv
  • Honestly; openly. 

distinct

adj
  • Capable of being perceived very clearly. 

  • Separate in place; not conjunct or united; with from. 

  • Different from one another (with the preferable adposition being "from"). 

  • Noticeably different from others; distinctive. 

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