casuist vs doctrinaire

casuist

noun
  • A person who resolves cases of conscience or moral duty. 

  • One who is skilled in, or given to, casuistry. 

  • Someone who attempts to specify exact and precise rules for the direction of every circumstance of behaviour. 

doctrinaire

noun
  • A person who stubbornly holds to a philosophy or opinion regardless of its feasibility. 

  • In France, in 1815-30, one of a school who desired a constitution like that of Britain. 

adj
  • Stubbornly holding on to an idea without concern for practicalities or reality. 

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