The search in the dictionary revealed the following matches for "event, occurrence"...

Turkish Turkish : hadise, olay, vaka
English English : event, occurrence
French French : cas, événement, incident
German German : vorfall, ereignis
Italian Italian : caso, accaduto, evento
Spanish Spanish : caso, acontecimiento, incidencia, ocurrencia
Japanese Japanese : イベントでは、発症

resemble the words to the search term:

  • event, occurrence