| Solution | Length | |
|---|---|---|
| 3 letters | ||
| sap | 3 | |
| tab | 3 | |
| rib | 3 | |
| 4 letters | ||
| ring | 4 | |
| quid | 4 | |
| woof | 4 | |
| crux | 4 | |
| welt | 4 | |
| wart | 4 | |
| soul | 4 | |
| wale | 4 | |
| gist | 4 | |
| stud | 4 | |
| core | 4 | |
| 5 letters | ||
| spine | 5 | |
| weave | 5 | |
| stuff | 5 | |
| style | 5 | |
| ridge | 5 | |
| 6 letters | ||
| spirit | 6 | |
| 7 letters | ||
| surface | 7 | |
| vesicle | 7 | |
| 8 letters | ||
| TUBERCLE | 8 | |
| quiddity | 8 | |
| KEYISSUE | 8 | |
| shoulder | 8 | |
| 9 letters | ||
| substance | 9 | |
| structure | 9 | |
| umbilicus | 9 | |
| principle | 9 | |
| 12 letters | ||
| PROTUBERANCE | 12 | |
| SINE QUA NON | 12 | |
| quintessence | 12 | |
| 13 letters | ||
| turning point | 13 | |
| 14 letters | ||
| UPSIDEDOWNCAKE | 14 | |