bandana vs headscarf

bandana

noun
  • A large kerchief, usually colourful and used either as headgear or as a handkerchief, neckerchief, bikini, or sweatband. 

  • A style of calico printing, in which white or bright spots are produced upon cloth previously dyed a uniform red or dark colour, by discharging portions of the color by chemical means, while the rest of the cloth is under pressure. 

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 bandana and headscarf occurred in a corpus of books? (source: Google Ngram Viewer )