England vs Hertfordshire

England

name
  • The kingdom established in southeast Britain by Aethelstan of Wessex in 927 and its various successor states, now the largest and most populous of the constituent countries of the United Kingdom; (by extension, sometimes proscribed) the area of this kingdom generally, south of Scotland and east of Wales, including (historical) this area of Celtic and Roman Britain or the post-Roman kingdoms of the Angles and other Germans taken collectively. 

  • A city in Lonoke County, Arkansas, United States. 

  • Synonym of United Kingdom. 

  • A habitational surname from Old English. 

Hertfordshire

name
  • An inland county of south-east England bordered by Cambridgeshire, Essex, Greater London, Buckinghamshire and Bedfordshire. 

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