culmination vs debut

culmination

noun
  • The attainment of the highest point of altitude reached by a heavenly body; passage across the meridian; transit. 

  • Endpoint (usually good) arrived at after some series of actions or events, or some period , usually after the series or period has ended. The sum of something. 

  • A ceremony marking the completion of studies at an elementary school, middle school or junior high school, the term "graduation" being reserved for high school. 

  • Attainment or arrival at the highest pitch of glory, power, etc. 

debut

noun
  • The first appearance of a debutante in society. 

  • The first public presentation of a theatrical play, motion picture, opera, musical composition, dance, or other performing arts piece. 

  • A performer's first performance to the public, in sport, the arts or some other area. 

  • The coming-of-age celebration of a woman's eighteenth birthday. 

verb
  • to formally introduce, as to the public 

  • to make one's initial formal appearance 

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