poncho vs sari

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. 

sari

noun
  • The traditional dress of women in the Indian Subcontinent; an outer garment consisting of a single length of cotton or silk, most often with one end wrapped around the waist to form a skirt, the other draped over the shoulder or head. 

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