General:
* Sleigh: Often used for larger, horse-drawn sleds.
* Toboggan: A long, narrow sled without runners.
* Luge: A small, streamlined sled for racing.
* Bobsled: A large, four-person sled for racing.
* Skimmer: A small, flat sled used on snow or ice.
* Sledding: The act of riding a sled.
Specific:
* Snowmobile: A motorized sled for riding on snow.
* Sleddog: A dog used to pull a sled.
* Sledding hill: A hill specifically designed for sledding.
* Sledding gear: Equipment used for sledding, such as helmets and snowsuits.
The best word to use will depend on the specific situation.