arousal vs climax

arousal

noun
  • Sexual arousal. 

  • A physiological and psychological state of being awake or reactive to stimuli, including elevated heart rate and blood pressure and a condition of sensory alertness, mobility and readiness to respond. 

  • The act of arousing or the state of being aroused. 

  • Arousal from sleep or hibernation. 

climax

noun
  • The culmination of sexual pleasure, an orgasm. 

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

  • The final term of a rhetorical climax. 

  • 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). 

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