caesura vs coffee break

caesura

noun
  • A pause or interruption in a poem, music, building, or other work of art. 

  • Using two words to divide a metrical foot. 

  • The caesura mark ‖ or ||. 

  • A break of an era or other measure of history and time; where one era ends and another begins; turning point. 

coffee break

noun
  • A rest period during the business day (usually of about 10 or 15 minutes). So named because it is an opportunity to get coffee. 

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