| Solution | Length | |
|---|---|---|
| 3 letters | ||
| top | 3 | |
| rim | 3 | |
| 4 letters | ||
| ring | 4 | |
| area | 4 | |
| rind | 4 | |
| tour | 4 | |
| skin | 4 | |
| 5 letters | ||
| verge | 5 | |
| girth | 5 | |
| skirt | 5 | |
| ambit | 5 | |
| shell | 5 | |
| round | 5 | |
| wheel | 5 | |
| 6 letters | ||
| saucer | 6 | |
| wreath | 6 | |
| radius | 6 | |
| 7 letters | ||
| surface | 7 | |
| outline | 7 | |
| circuit | 7 | |
| roundel | 7 | |
| compass | 7 | |
| 8 letters | ||
| boundary | 8 | |
| rondelle | 8 | |
| 9 letters | ||
| sphincter | 9 | |
| perimeter | 9 | |
| periphery | 9 | |
| enclosure | 9 | |
| 14 letters | ||
| vicious circle | 14 | |