hidebound vs obscurantist

hidebound

adj
  • Stubborn; narrow-minded; inflexible. 

  • Having the bark so close and constricting that it impedes the growth. 

  • Bound with the hide of an animal. 

  • Having the skin adhering so closely to the ribs and back as not to be easily loosened or raised; emaciated. 

obscurantist

adj
  • Of or relating to obscurantism. 

noun
  • A practitioner of obscurantism; an obscurant. 

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