expectancy vs foreguess

expectancy

noun
  • The state of being expected. 

  • Expectation or anticipation; the state of expecting something. 

  • Future interest as to possession or enjoyment 

foreguess

noun
  • A conjecture; an assumption. 

verb
  • To forecast. 

  • To guess beforehand. 

  • To conjecture; assume. 

  • To anticipate; expect. 

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