coif vs headscarf

coif

noun
  • A hairdo. 

  • A similar item of chain mail headgear covering the head. 

  • A hood; a close-fitting cap covering much of the head, widespread until the 18th century; after that worn only by small children and country women. 

  • An official headdress, such as that worn by certain judges in England. 

verb
  • To style or arrange hair. 

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. 

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