dolman vs khalat

dolman

noun
  • A long, loose garment with narrow sleeves and an opening in the front, generally worn by Turks. 

  • A woman's garment with wide capelike sleeves. 

  • A short, close-fitting, heavily braided military jacket, usually worn under a pelisse, originally by hussars. 

khalat

noun
  • A long, close-fitting coat with shawl collars and pockets, worn by Ashkenazi Jewish men in Eastern Europe until the early 20th century 

  • A type of native gown worn in parts of Central Asia, historically awarded as a robe of honor. 

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