above-board vs one hundred percent

above-board

adv
  • Honestly; openly. 

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

one hundred percent

adv
  • Totally, completely. 

adj
  • Complete, entire, whole, perfect. 

  • Completely sure. 

  • Used other than figuratively or idiomatically: see one hundred, percent. 

  • Well, good, okay. 

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