above-board vs tangible

above-board

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

adv
  • Honestly; openly. 

tangible

adj
  • Perceptible; able to be perceived. 

  • Able to be treated as fact; real or concrete. 

  • Comprehensible by the mind; understandable. 

  • Touchable; able to be touched or felt; perceptible by the sense of touch. 

noun
  • A physical object; something that can be touched. 

  • Real or concrete results. 

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