expectancy vs futurity

expectancy

noun

  • The state of being expected. 

  • Expectation or anticipation; the state of expecting something. 

  • Future interest as to possession or enjoyment 

futurity

noun

  • The state of being in the future. 

  • The future. 

  • A future event. 

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