above-board vs clinical

above-board

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

adv
  • Honestly; openly. 

clinical

adj
  • Cool and emotionless; in a professional way, as contrasted with an impetuous or unprofessional way. 

  • Dealing with the practical management of patients, in practice at the point of care; as contrasted with other health care venues (see clinical medicine for more explanation). 

  • Objective; analytical. 

  • Of or pertaining to a clinic, such as a medical clinic or law clinic. 

  • Precise. 

noun
  • A medical student's session spent in a real-world nursing environment. 

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