Occurrence (noun)

  1. An event or incident that happens or takes place.
  2. The fact or frequency of something happening.
  3. Something that exists or is present in a particular place or at a particular time.

Origin:

From occur, from latin occurrere 'run to meet'.

Examples:

  1. The occurrence of the earthquake left the city in ruins.
  2. The frequency of occurrences of the disease has increased in recent years.
  3. The strange occurrence of a red moon has been noted by astronomers.
  4. The occurrence of the rare flower is a once-in-a-lifetime experience.
  5. The occurrence of a comet passing so close to Earth is a rare event.
Some random words: undone, unforeseeable, commencement