above-board vs in earnest

above-board

adv
  • Honestly; openly. 

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

in earnest

adv
  • Having a sincere intent. 

  • With considerable commitment, determination, or effect; significantly. 

adj
  • Sincere; determined; truthful. 

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