treason vs two-timing

treason

noun

  • An act of treachery, betrayal of trust or confidence. 

  • The crime of betraying one’s own country. 

two-timing

noun

  • The practice of being sexually or romantically unfaithful. 

adj

  • Sexually or romantically unfaithful. 

How often have the words treason and two-timing occurred in a corpus of books? (source: Google Ngram Viewer )