Forest vs Potrero

Forest

name
  • A city, the county seat of Scott County, Mississippi, United States. 

  • A surname. 

  • A male given name: Alternative form of Forrest. 

Potrero

name
  • A census-designated place in San Diego County, California, United States. 

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