ABC vs nitty gritty

ABC

name
  • An imperative general-purpose programming language, intended for teaching or prototyping. 

noun
  • The fundamentals of any subject. 

  • The English alphabet. 

  • A British alphabetized guidebook listing trains and their stations. 

  • A straightforward, uniform playing style, often focusing on betting for value, folding weak hands, and avoiding bluffing. 

nitty gritty

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