success story vs would-be

success story

noun
  • A successful person or thing, serving as a model for others. 

  • Anecdotal evidence for the benefits of some product or policy. 

would-be

noun
  • One who aspires to something. 

  • One's fiancé or fiancée. 

adj
  • Attempting or desiring something. 

  • Unfulfilled; frustrated in realizing a goal, ambition, etc. 

How often have the words success story and would-be occurred in a corpus of books? (source: Google Ngram Viewer )