khalat vs muumuu

khalat

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

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

muumuu

noun
  • A long loose-fitting dress made of lightweight fabric printed with bright, stylized Hawaiian themes (such as flowers and palm branches). 

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