A to Z vs specification

A to Z

noun
  • An encyclopedic or comprehensive guide. 

  • All facts related to a subject 

  • Any of a set of street maps of most British towns and cities; properly the Geographer's A–Z Street Atlas. 

adv
  • From beginning to the end. 

  • Over the entirety; completely. 

  • Alphabetical order; lexical order. 

specification

noun
  • An act of specifying. 

  • An explicit set of requirements to be satisfied by a material, product, or service. 

How often have the words A to Z and specification occurred in a corpus of books? (source: Google Ngram Viewer )