godly vs single-hearted

godly

adj
  • Devoted to a god or God; devout; righteous. 

  • Gloriously good. 

  • Of or pertaining to a god 

adv
  • In a godly manner; piously; devoutly; righteously. 

single-hearted

adj
  • Devoted; unambivalent and dedicated. 

  • Having an honest heart; straightforward, free from duplicity. 

How often have the words godly and single-hearted occurred in a corpus of books? (source: Google Ngram Viewer )