godless vs ungood

godless

adj
  • evil, wicked, worldly. 

  • Not acknowledging any deity or god; without belief in any deity or god. 

ungood

adj
  • Those who are not good; the wicked, evil, or bad 

  • Not good; bad 

noun
  • Lack or absence of good; goodlessness; bad 

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