climax vs last word

climax

noun
  • The final term of a rhetorical climax. 

  • A rhetorical device in which a series is arranged in ascending order. 

  • The culmination of sexual pleasure, an orgasm. 

  • A culmination or acme: the last term in an ascending series 

  • The culmination of a narrative's rising action, the turning point. 

  • The culmination of ecological development, whereby species are in equilibrium with their environment. 

verb
  • To reach or bring to a climax (in any sense). 

last word

noun
  • Concluding remark; final advice, instructions, or observation. 

  • The finest, highest, or ultimate representative of some class of objects. 

  • The final statement uttered by a person before death. 

  • A final decision or remark, or the right to make one. 

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