above-board vs easily

above-board

adv
  • Honestly; openly. 

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

easily

adv
  • Absolutely, without question. 

  • Comfortably, without discomfort or anxiety. 

  • Without difficulty. 

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