headscarf vs neckerchief

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. 

neckerchief

noun
  • A scarf that is worn looped or tied around the neck. 

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