picnic vs tiffin

picnic

noun
  • The meal eaten at such a gathering. 

  • An easy or pleasant task. 

  • An informal social gathering, usually in a natural outdoor setting, to which the participants bring their own food and drink. 

  • A cut of pork from the shoulder area (above the front leg) of a pig. 

verb
  • To take part in a picnic. 

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 picnic and tiffin occurred in a corpus of books? (source: Google Ngram Viewer )