achievability vs chance

achievability

noun
  • The state or condition of being achievable. 

chance

noun
  • An opportunity or possibility. 

  • probability; possibility. 

  • The probability of something happening. 

  • Random occurrence; luck. 

adj
  • Happening by chance, casual. 

verb
  • To try or risk. 

  • To discover something by chance. 

  • To rob, cheat or swindle someone. 

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