corah vs foulard

corah

noun
  • A plain, undyed Indian silk. 

adj
  • plain, undyed 

foulard

noun
  • A lightweight silk or silk-and-cotton fabric, often with a printed pattern. 

  • A piece of clothing, or a handkerchief, made with this fabric. 

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