* Hud: This is the most common and general term for "magic". It encompasses all sorts of magical practices and phenomena.
* Hwyl: This word literally means "spirit", but it can also be used to refer to a "magical" or "enchanted" quality. It's often used in a more poetic or mystical context.
* Gwydion: This word refers to a specific type of magic that is associated with the Welsh deity Gwydion. It's often used in reference to his magical abilities and the magic of nature.
* Ysbryd: This word literally means "spirit" or "ghost", but it can also be used to refer to a "magical" or "spiritual" presence.
The best translation for "magic" in Welsh will depend on the context and the specific meaning you want to convey.