untruth vs verity

untruth

noun
  • The condition of being false; truthlessness. 

  • A lie or falsehood. 

verity

noun
  • Truth, fact or reality, especially an enduring religious or ethical truth; veracity. 

  • A true statement; an established doctrine. 

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