Whateverville vs north forty

Whateverville

name
  • A substitute placename for an inhabited place, a city or town, with an unknown or unspecified name. 

north forty

noun
  • A 40-acre section of land, located in the northernmost part of a farm or ranch. 

  • Any remote place. 

  • Farms, ranches, or agricultural land collectively. 

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