expectant vs expectative

expectant

adj
  • Marked by expectation. 

  • Pregnant. 

noun
  • A person who expects or awaits something. 

expectative

adj
  • Of or pertaining to an expectation. 

  • Of or pertaining to the reversion of a benefice. 

noun
  • The anticipatory grant of an ecclesiastical benefice, not vacant at the moment but which will become so, regularly, on the death of its present incumbent. 

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