fact vs opinion

fact

noun
  • An objective consensus on a fundamental reality that has been agreed upon by a substantial number of experts. 

  • An individual value or measurement at the lowest level of granularity in a data warehouse. 

  • Something which is real. 

  • A wrongful or criminal deed. 

  • Something actual as opposed to invented. 

  • Something concrete used as a basis for further interpretation. 

  • Information about a particular subject, especially actual conditions and/or circumstances. 

intj
  • Used before making a statement to introduce it as a trustworthy one. 

opinion

noun
  • The formal decision, or expression of views, of a judge, an umpire, a doctor, or other party officially called upon to consider and decide upon a matter or point submitted. 

  • A belief, judgment or perspective that a person has formed, either through objective or subjective reasoning, about a topic, issue, person or thing. 

  • a judicial opinion delivered by an Advocate General to the European Court of Justice where he or she proposes a legal solution to the cases for which the court is responsible 

  • The judgment or sentiment which the mind forms of persons or things; estimation. 

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