interval vs tea break

interval

noun
  • Either of the two breaks, at lunch and tea, between the three sessions of a day's play 

  • A connected section of the real line which may be empty or have a length of zero. 

  • An intermission. 

  • half time, a scheduled intermission between the periods of play 

  • A period of time. 

  • The difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad). 

  • A distance in space. 

tea break

noun
  • A short break or rest period during the day when a cup of tea or coffee is drunk. 

  • A short rest break which an employee is entitled to take, shorter in duration than a lunchbreak 

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