* Noun: This is the most common use. It refers to an event or incident that happens.
* Example: "The occurrence of a meteor shower was a spectacular sight."
* Adjective: Less common, but it can describe something as happening or taking place.
* Example: "This is an occurrence meeting, so feel free to share your thoughts."
Let me know if you have a specific sentence in mind, and I can tell you the part of speech for "occurrence" in that context!