poncho vs rebozo

poncho

noun
  • A simple garment, made from a rectangle of cloth, with a slit in the middle for the head. 

  • A similar waterproof garment, today typically of rubber with a hood. 

rebozo

noun
  • A woman's garment of Mexico, a rectangular piece of fabric worn as a scarf or shawl and sometimes used to carry children or goods. 

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