1. floor, ground (surface of the earth)

2. floor, story, storey (level of a building)

3. flat, apartment (Spain)

4. deck (level on a ship or vehicle)

5. decker (bus, bed) (in compounds, in the plural)

6. level, layer of a structure e.g. a cake

7. tier (layer of a cake)

8. footstool (Chile)

9. rug, carpet (Chile)

10. sole (Spain)

11. step (action and effect of stepping on something)