begin vs get started

begin

verb
  • To start, to initiate or take the first step into something. 

  • To come into existence. 

  • To be in the first stage of some situation 

noun
  • Beginning; start. 

get started

verb
  • to begin an activity 

  • to begin (an activity or event) 

  • to cause (someone) to start talking about something in length 

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