schismatic vs tough case

schismatic

noun

  • A person involved in a schism. 

adj

  • Of or pertaining to a schism. 

  • Of or pertaining to a schisma. 

  • Divisive. 

tough case

noun

  • A person who is difficult to work with. 

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