above-board vs cussed

above-board

adv
  • Honestly; openly. 

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

cussed

adv
  • Very, cussedly, accursedly. 

adj
  • Ill-tempered, nasty, obstinate. 

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