final act vs realization

final act

noun
  • The last part of a play, film, or narrative in which the strands of the plot are drawn together and matters are explained. 

  • A final performance or accomplishment, before one's retirement or ultimate demise. 

realization

noun
  • The result of an artistic effort. 

  • An act of figuring out or becoming aware. 

  • The act of making real. 

How often have the words final act and realization occurred in a corpus of books? (source: Google Ngram Viewer )