reformer vs reformist

reformer

noun
  • One who reforms, or who works for reform. 

  • One who was involved in the Reformation. 

  • A device used to convert petroleum refinery naphthas, typically having low octane ratings, into high-octane liquid products called reformates. 

  • A device which converts hydrocarbons into a hydrogen-rich mixture of gases. 

reformist

noun
  • One who advocates reform (of an institution). 

  • Specifically, one who advocates reform of society and the gradual accumulation of small changes, as opposed to revolutionary action. 

  • A member of a reformed religious denomination. 

adj
  • Specifically, advocating reform and the gradual accumulation of small changes, as opposed to revolutionary action. 

  • Advocating reform of an institution or body. 

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