lunch vs noon

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. 

noon

noun
  • The time of day when the sun is in its zenith; twelve o'clock in the day, midday. 

  • The highest point; culmination. 

  • The letter ن in the Arabic script. 

verb
  • To relax or sleep around midday 

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