A to Z vs alphabetical

A to Z

noun
  • 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. 

  • An encyclopedic or comprehensive guide. 

adv
  • From beginning to the end. 

  • Over the entirety; completely. 

  • Alphabetical order; lexical order. 

alphabetical

adj
  • Pertaining to, furnished with, or expressed by letters of the alphabet. 

  • According to the sequence of the letters of the alphabet. 

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