discontinuance vs entr'acte

discontinuance

noun
  • The occurrence of something being discontinued; a cessation; an incomplete ending. 

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. 

How often have the words discontinuance and entr'acte occurred in a corpus of books? (source: Google Ngram Viewer )