breakfast vs lunchtime

breakfast

noun
  • The first meal of the day, usually eaten in the morning. 

  • The celebratory meal served after a wedding (and occasionally after other solemnities e.g. a funeral). 

  • A meal eaten after a period of (now often religious) fasting. 

  • A meal consisting of food normally eaten in the morning, which may typically include eggs, sausages, toast, bacon, etc. 

verb
  • To serve breakfast to. 

  • To eat the morning meal. 

lunchtime

noun
  • The time or hour at or around which lunch is normally eaten. 

  • A break in work or school to eat lunch. 

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