Creston vs Maynardville

Creston

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

  • A census-designated place in San Luis Obispo County, California, United States. 

Maynardville

name
  • A city, the county seat of Union County, Tennessee, United States. Original name: Liberty. 

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