headscarf vs mantilla

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. 

mantilla

noun
  • A lace veil of Spanish origin worn over a woman's hair and shoulders. 

  • A woman's light cloak or cape made of silk, velvet, lace, or other material. 

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