punkah vs punkahwallah

punkah

noun
  • A fan, especially made of leaf or cloth and hung from the ceiling; in the past often operated by a servant. 

punkahwallah

noun
  • A servant who operates a punkah (type of fan). 

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