meadow vs plateau

meadow

noun
  • Low land covered with coarse grass or rank herbage near rivers and in marshy places by the sea. 

  • A field or pasture; a piece of land covered or cultivated with grass, usually intended to be mown for hay. 

plateau

noun
  • A largely level expanse of land at a high elevation; tableland. 

  • A comparatively stable level after a period of increase. 

  • A notable level of attainment or achievement. 

verb
  • (of a varying quantity) To reach a stable level after a period of increase; to level off. 

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