dream vs expectation

dream

noun
  • A visionary scheme; a wild conceit; an idle fancy. 

  • Imaginary events seen in the mind while sleeping. 

  • A hope or wish. 

adj
  • Ideal; perfect. 

verb
  • To hope, to wish. 

  • To see imaginary events in one's mind while sleeping. 

  • To envision as an imaginary experience (usually when asleep). 

  • To consider the possibility (of). 

  • To daydream. 

expectation

noun
  • The prospect of the future; grounds upon which something excellent is expected to occur; prospect of anything good to come, especially of property or rank. 

  • The act or state of expecting or looking forward to an event as about to happen. 

  • The value of any chance (as the prospect of prize or property) which depends upon some contingent event. 

  • The first moment; the long-run average value of a variable over many independent repetitions of an experiment. 

  • The arithmetic mean. 

  • The leaving of a disease principally to the efforts of nature to effect a cure. 

  • That which is expected or looked for. 

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