campo vs flatland

campo

noun
  • A field or plain in a Spanish- or Portuguese-speaking area. 

  • A police officer assigned to a university campus. 

flatland

noun
  • Synonym of plain: land of relatively constant altitude, usually exclusive of forests, deserts, and wastelands. 

  • An urban region with many flats or apartments to rent. 

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