El Dorado vs Morganfield

El Dorado

name
  • A city, the county seat of Butler County, Kansas, United States. 

  • A legendary lost city of gold. 

  • Any place of fabulous wealth. 

  • A city, the county seat of Union County, Arkansas, United States. 

  • A Muisca tribal chief who covered himself in gold dust. 

Morganfield

name
  • A home rule city, the county seat of Union County, Kentucky, United States. 

  • A surname. 

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