freethinking vs godliness

freethinking

noun
  • The principles of a freethinker; free thought 

godliness

noun
  • The condition and quality of being godly, pious, scrupulously observant of all the teachings of one's religion, practicing virtue and avoiding sin. 

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