extorter vs profiteer

extorter

noun

  • One who practices extortion. 

profiteer

noun

  • One who makes an unreasonable profit not justified by cost or risk, a rent-seeker. 

verb

  • To make an unreasonable profit not justified by cost or risk. 

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