afternoon tea vs namkeen

afternoon tea

noun
  • A formal afternoon meal comprising light snacks, accompanied by tea. 

  • A small meal or snack eaten between lunch and dinner (supper); a period of time set aside for this purpose, taken as a break from work or from a conference. 

namkeen

noun
  • Any savoury snack eaten between meals. 

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