beginning vs preface

beginning

noun
  • That which is begun; a rudiment or element. 

  • The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states. 

  • The initial portion of some extended thing. 

  • That which begins or originates something; the source or first cause. 

adj
  • Of or relating to the first portion of some extended thing. 

preface

noun
  • The beginning or introductory portion that comes before the main text of a document or book. 

  • An introduction, or series of preliminary remarks. 

  • A title or epithet. 

  • The prelude or introduction to the canon of the Mass. 

verb
  • To give a preface to. 

  • To introduce or make a comment before (the main point). 

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