accuracy vs trueness

accuracy

noun
  • The state of being accurate; being free from error; exactness; correctness 

  • Exact conformity to truth, or to a rule or model; degree of conformity of a measure to a true or standard value. 

trueness

noun
  • The characteristic of being true. 

  • Loyalty; faithfulness; constancy. 

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