falsehood vs pretext

falsehood

noun
  • The property of being false. 

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

pretext

noun
  • A false, contrived, or assumed purpose or reason; a pretense. 

verb
  • To employ a pretext, which involves using a false or contrived purpose for soliciting the gain of something else. 

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