above-board vs candid

above-board

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

adv
  • Honestly; openly. 

candid

adj
  • Impartial and free from prejudice. 

  • Not posed or rehearsed. 

  • Straightforward, open and sincere. 

noun
  • A spontaneous or unposed photograph. 

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