occurrence
nounUK /əˈkʌr.əns/
US /əˈkɝː.əns/
An occurrence is something that happens.
The loud thunder was a scary occurrence for the little dog.
OTHER MEANINGS
2. The fact of something existing or being found in a place.
The occurrence of rare birds in this forest is well known.
3. The rate at which something happens over time.
The occurrence of storms increases in the summer.
4. A single time that something takes place.
This was the first occurrence of the festival in our town.