esplanade vs lapa

esplanade

noun
  • The glacis of the counterscarp, or the slope of the parapet of the covered way toward the country. 

  • A clear space between a citadel and the nearest houses of the town. 

  • A grass plat; a lawn. 

  • Any clear, level space used for public walks or drives; especially, a terrace by the seaside. 

lapa

noun
  • An open structure in South Africa, typically a thatched roof supported by wooden poles. 

  • A metal wind instrument of 19th-century China, resembling the oboe. 

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