literalism vs nitpicking

literalism

noun
  • Literal interpretation or understanding; adherence to the exact letter or precise significance, as in interpreting or translating. 

  • The style of art portraying a subject as literally and accurately as possible. 

nitpicking

noun
  • The painstaking process of removing nits (lice eggs) from someone's hair. 

  • A process of finding or pointing out tiny details or errors, particularly if the pointed-out details seem insignificant or irrelevant to all but the finder. 

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