chlamys vs poncho

chlamys

noun
  • A short poncho-like cloak caught up on the shoulder, worn by hunters, soldiers, and horsemen in Ancient Greece. 

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. 

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