hijab vs mantilla

hijab

noun
  • A traditional headscarf worn by Muslim women, covering the hair and neck. 

  • The practice, among Muslim women, of covering the body after the age of puberty in front of non-related adult males. 

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 hijab and mantilla occurred in a corpus of books? (source: Google Ngram Viewer )