holding to vs illiberal

holding to

illiberal

noun
  • One opposed to liberal principles. 

adj
  • Narrow-minded; bigoted. 

  • Not adhering to either liberalism or neoliberalism. 

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

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