definite vs speculative

definite

adj
  • Having distinct limits. 

  • Designating an identified or immediately identifiable person or thing, or group of persons or things 

  • Free from any doubt. 

  • Determined; resolved; decided. 

noun
  • A word or phrase that designates a specified or identified person or entity. 

speculative

adj
  • Pursued as a gamble, with possible large profits or losses; risky. 

  • Pertaining to financial speculation; Involving or resulting from high-risk investments or trade. 

  • Characterized by speculation; based on guessing, unfounded opinions, or extrapolation. 

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