flatland vs wasteland

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. 

wasteland

noun
  • A place with no remaining resources; a desert. 

  • Any barren or uninteresting place. 

  • A devastated, not (or no longer) habitable area. 

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