diehard vs illiberal

diehard

adj
  • Fanatically opposing progress or reform. 

  • Unreasonably or stubbornly resisting change. 

  • Complete; having no opposite opinion of anything in a particular topic of one's values; thorough of in one's beliefs. 

noun
  • A person with such an attitude. 

illiberal

adj
  • Not adhering to either liberalism or neoliberalism. 

  • Narrow-minded; bigoted. 

  • Restricting or failing to sufficiently promote individual choice and freedom. 

noun
  • One opposed to liberal principles. 

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