exuberance vs felicity

exuberance

noun
  • The quality of being exuberant; cheerful or vigorous enthusiasm; liveliness. 

  • An abundance of wealth. 

  • An overflowing quantity; superfluousness. 

  • An instance of exuberant behaviour. 

felicity

noun
  • Happiness; (countable) an instance of this. 

  • Something that is either a source of happiness or particularly apt. 

  • An apt and pleasing style in speech, writing, etc.; (countable) an apt and pleasing choice of words. 

  • Reproduction of a sign with fidelity. 

  • Good luck; success; (countable) An instance of unexpected good luck; a stroke of luck; also, a lucky characteristic. 

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