lunch vs tiffin

lunch

noun
  • A light meal usually eaten around midday, notably when not as main meal of the day. 

  • Any small meal, especially one eaten at a social gathering. 

  • A break in play between the first and second sessions. 

verb
  • To treat to lunch. 

  • To eat lunch. 

tiffin

noun
  • A (light) midday meal or snack; luncheon. 

  • A box or container used to carry a tiffin. 

  • A cake-like confection composed of crushed biscuits, sugar, syrup, raisins, cherries and cocoa powder, often covered with a layer of melted chocolate. 

verb
  • To eat a (light) midday meal or snack. 

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