conjecture vs predict

conjecture

verb
  • To guess; to venture an unproven idea. 

  • To infer on slight evidence; to guess at. 

noun
  • A statement or an idea which is unproven, but is thought to be true; a guess. 

  • A statement likely to be true based on available evidence, but which has not been formally proven. 

  • A supposition based upon incomplete evidence; a hypothesis. 

predict

verb
  • To imply. 

  • To make predictions. 

  • To make a prediction: to forecast, foretell, or estimate a future event on the basis of knowledge and reasoning; to prophesy a future event on the basis of mystical knowledge or power. 

  • To direct a ranged weapon against a target by means of a predictor. 

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