expectation vs surmise

expectation

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

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

  • 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. 

  • 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. 

  • That which is expected or looked for. 

surmise

noun
  • Thought, imagination, or conjecture, which may be based upon feeble or scanty evidence; suspicion; guess. 

  • Reflection; thought; posit. 

verb
  • To imagine or suspect; to conjecture; to posit with contestable premises. 

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