choice vs serendipity

choice

noun
  • An option; a decision; an opportunity to choose or select something. 

  • One selection or preference; that which is chosen or decided; the outcome of a decision. 

  • Anything that can be chosen. 

  • The power to choose. 

  • Do I have a choice of what color to paint it? 

  • The best or most preferable part. 

intj
  • Cool; excellent. 

adj
  • Especially good or preferred. 

serendipity

noun
  • The occurrence and development of events by chance in a happy or beneficial way. 

  • An unsought, unintended, and/or unexpected, but fortunate, discovery and/or learning experience that happens by accident. 

  • A combination of events which have come together by chance to make a surprisingly good or wonderful outcome. 

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