ABC vs promptuary

ABC

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. 

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

promptuary

noun
  • A device described in Napier's treatise Rabdologiæ, consisting of a large set of strips used to multiply multi-digit numbers more easily than Napier’s bones. 

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