headscarf vs rebozo

headscarf

noun
  • A more or less square piece of material worn over the head, typically by women, often to protect the hair, or for religious reasons. 

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 headscarf and rebozo occurred in a corpus of books? (source: Google Ngram Viewer )