machination vs rort

machination

noun
  • A clever scheme or artful plot, usually crafted for evil purposes. 

  • The act of machinating or plotting. 

rort

noun
  • A scam or fraud, especially involving the misappropriation of public money or resources. 

verb
  • To cheat or defraud. 

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