entr'acte vs tea break

entr'acte

noun
  • An interval between two acts of a play or opera. 

  • Another performance, such as a piece of music or a dance, during this. 

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 entr'acte and tea break occurred in a corpus of books? (source: Google Ngram Viewer )