bigoted vs diehard

bigoted

adj
  • Having the characteristics of a bigot; strongly prejudiced; forming opinions without just cause. 

diehard

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

  • Unreasonably or stubbornly resisting change. 

  • Fanatically opposing progress or reform. 

noun
  • A person with such an attitude. 

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