| Solution | Length | |
|---|---|---|
| 3 letters | ||
| bug | 3 | |
| 4 letters | ||
| anne | 4 | |
| flaw | 4 | |
| rift | 4 | |
| hole | 4 | |
| kink | 4 | |
| snag | 4 | |
| 5 letters | ||
| taint | 5 | |
| fault | 5 | |
| faute | 5 | |
| crack | 5 | |
| chink | 5 | |
| catch | 5 | |
| 6 letters | ||
| FOIBLE | 6 | |
| suntzu | 6 | |
| defect | 6 | |
| 7 letters | ||
| goodbye | 7 | |
| frailty | 7 | |
| failure | 7 | |
| blemish | 7 | |
| problem | 7 | |
| failing | 7 | |
| 8 letters | ||
| strength | 8 | |
| weakness | 8 | |
| drawback | 8 | |
| robinson | 8 | |
| 9 letters | ||
| infirmity | 9 | |
| defection | 9 | |
| 10 letters | ||
| deficiency | 10 | |
| soft spot | 10 | |
| INADEQUACY | 10 | |
| weak-point | 10 | |
| 11 letters | ||
| SHORTCOMING | 11 | |
| vincibility | 11 | |
| 12 letters | ||
| imperfection | 12 | |
| pregnability | 12 | |
| 13 letters | ||
| penetrability | 13 | |
| assailability | 13 | |
| VULNERABILITY | 13 | |
| 14 letters | ||
| little-problem | 14 | |
| 16 letters | ||
| heel-of-Achilles | 16 | |
| vulnerable-place | 16 | |
| vulnerable-point | 16 | |
| 17 letters | ||
| something-missing | 17 | |