commensurateness vs fair play

commensurateness

noun
  • The state or quality of being commensurate. 

fair play

noun
  • Good behavior; conduct (in sports or another endeavor) that is respectful of the rules, the spirit of the activity, and the adversary. 

phrase
  • used to acknowledge or congratulate for something. 

How often have the words commensurateness and fair play occurred in a corpus of books? (source: Google Ngram Viewer )