censorious vs hair-splitting

censorious

adj
  • Implying or expressing censure. 

  • Addicted to censure and scolding; apt to blame or condemn; severe in making remarks on others, or on their writings or manners. 

hair-splitting

noun
  • the act of finding exceedingly small differences which are probably neither important nor noticeable to most people. 

How often have the words censorious and hair-splitting occurred in a corpus of books? (source: Google Ngram Viewer )