General terms:
* Footwear: This is the most general term, and it encompasses all types of shoes, not just sneakers.
* Shoes: A slightly more specific term than footwear, but still broad.
* Athletic shoes: This specifically refers to shoes designed for sports and physical activity.
More specific terms:
* Trainers: A common British term for sneakers.
* Kicks: A slang term for sneakers, often used by young people.
* Sneakers: This is the most common and versatile term, but it can be replaced with the others depending on context.
For specific types of sneakers:
* Running shoes: Designed for running.
* Basketball shoes: Designed for basketball.
* Skate shoes: Designed for skateboarding.
Ultimately, the best noun for "sneakers" will depend on the specific situation.