lying vs truly

lying

adj
  • Tending to tell lies, untruthful, mendacious 

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

  • An act of telling a lie or falsehood. 

truly

adv
  • In accordance with the facts; truthfully, accurately. 

  • Honestly, genuinely, in fact, really. 

  • Very. 

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