fact vs occasion

fact

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

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

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

  • Something which is real. 

  • A wrongful or criminal deed. 

  • Something actual as opposed to invented. 

  • Something concrete used as a basis for further interpretation. 

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

occasion

noun
  • A particular happening; an instance or time when something occurred. 

  • Need; requirement, necessity. 

  • The time when something happens. 

  • Something which causes something else; a cause. 

  • A reason or excuse; a motive; a persuasion. 

  • A special event or function. 

  • An occurrence or state of affairs which causes some event or reaction; a motive or reason. 

  • A favorable opportunity; a convenient or timely chance. 

verb
  • To cause; to produce; to induce 

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