above-board vs for real

above-board

adv

  • Honestly; openly. 

adj

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

for real

adv

  • Genuinely, truly. 

adj

  • Genuine, true; serious, earnest. 

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