Great Britain vs the UK

Great Britain

name
  • The island (and sometimes including some of the surrounding smaller islands) off the north-west coast of Europe made up of England, Scotland, and Wales. Abbreviation: GB. 

  • The United Kingdom. (This was the official name of the Kingdom of Great Britain from 1707 to 1801.) 

  • England, Scotland and Wales in combination. 

  • The British Olympic Association. 

  • A national sports team representing the United Kingdom in an international competition. 

the UK

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