constancy vs lying

constancy

noun
  • The quality of being constant; steadiness or faithfulness in action, affections, purpose, etc. 

  • An unchanging quality or characteristic of a person or thing. 

lying

noun
  • The act of one who lies, or keeps low to the ground. 

  • An act of telling a lie or falsehood. 

adj
  • Tending to tell lies, untruthful, mendacious 

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