expanse vs glade

expanse

noun
  • A wide stretch, usually of sea, sky, or land. 

  • An amount of spread or stretch. 

glade

noun
  • An open space in the ice on a river or lake. 

  • An everglade. 

  • An open passage through a wood; a grassy open or cleared space in a forest. 

  • A bright surface of ice or snow. 

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