entr'acte vs hesitation

entr'acte

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

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

hesitation

noun
  • A faltering in speech; stammering. 

  • doubt; vacillation. 

  • An act of hesitating 

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