Greencastle vs Unionville

Greencastle

name
  • A city in Sullivan County, Missouri. 

  • An unincorporated community in Kanawha County, West Virginia. 

  • An unincorporated community in Warren County, Kentucky. 

  • An unincorporated community in Wirt County, West Virginia. 

  • A city, the county seat of Putnam County, Indiana, United States. 

  • A borough of Franklin County, Pennsylvania. 

Unionville

name
  • A city, the county seat of Putnam County, Missouri, United States. 

  • A neighbourhood in Markham, Ontario, Canada. 

  • A census-designated place in Pershing County, Nevada, United States. 

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