false light vs untruth

false light

noun
  • A point of view resulting in a misleading or inaccurate representation of a person, situation, or fact. 

  • A cause of action arising under the common law where a person is portrayed in a way which, while not technically false, is misleading and likely to cause embarrassment to that person. 

untruth

noun
  • A lie or falsehood. 

  • The condition of being false; truthlessness. 

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