born-again vs theologus

born-again

noun
  • An evangelical Christian. 

  • Someone who has been spiritually changed through their (Christian) faith. 

  • Someone who has a renewed commitment to Jesus Christ. 

  • Anyone with a renewed commitment to any kind of cause or belief. 

adj
  • Of or pertaining to evangelicalism. 

  • Having been spiritually changed through faith. 

  • Having a renewed commitment to Jesus Christ. 

  • Having a newly won zeal for some activity. 

theologus

noun
  • Synonym of theologian (“Roman Catholic lecturer”) 

How often have the words born-again and theologus occurred in a corpus of books? (source: Google Ngram Viewer )