lapa vs plaza

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. 

plaza

noun
  • An open area used for gathering in a city, often having small trees and sitting benches. 

  • A town's public square. 

  • A shopping mall. 

  • A strip mall. 

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