dissentious vs nitpicking

dissentious

adj
  • Marked by dissensions; contentious 

  • dissenting 

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 dissentious and nitpicking occurred in a corpus of books? (source: Google Ngram Viewer )