finale vs nadir

finale

noun
  • The chronological conclusion of a series of narrative works. 

  • The grand end of something, especially a show or piece of music. 

nadir

verb
  • To extend (a beehive) by adding an empty box at the base. 

noun
  • The lowest point; time of greatest depression. 

  • The axis of a projected conical shadow; the direction of the force of gravity at a location; down. 

  • The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation. 

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