What words end with suffix -un?

The suffix "-un" isn't commonly used in English words. The most common ending that is similar is "-on," which is used in words like:

* Action

* Button

* Cartoon

* Caution

* Decision

* Fashion

* Friction

* Garden

* Lesson

* Nation

* Prison

* Reason

* Season

* Station

* Tradition

There are a few words that do end in "-un" but they are not very common:

* Run

* Sun

* Gun

* Fun

* Dun (an archaic word meaning "dark brown")

Let me know if you have any other questions about suffixes!