falsehood vs half-truth

falsehood

noun
  • A false statement, especially an intentional one; a lie. 

  • The property of being false. 

half-truth

noun
  • A deceptive statement, especially one that is only partly true, is incomplete, misrepresents reality by telling part of the truth, or alters the time sequence of truths. 

How often have the words falsehood and half-truth occurred in a corpus of books? (source: Google Ngram Viewer )