| Solution | Length | |
|---|---|---|
| 2 letters | ||
| WC | 2 | |
| 3 letters | ||
| sly | 3 | |
| loo | 3 | |
| 4 letters | ||
| with | 4 | |
| inon | 4 | |
| UPON | 4 | |
| 5 letters | ||
| in on | 5 | |
| privy | 5 | |
| DUNNY | 5 | |
| quiet | 5 | |
| 6 letters | ||
| shifty | 6 | |
| urinal | 6 | |
| toilet | 6 | |
| sneaky | 6 | |
| hidden | 6 | |
| slinky | 6 | |
| secret | 6 | |
| 7 letters | ||
| private | 7 | |
| retired | 7 | |
| special | 7 | |
| wise to | 7 | |
| 8 letters | ||
| sensible | 8 | |
| washroom | 8 | |
| SHROUDED | 8 | |
| ulterior | 8 | |
| secluded | 8 | |
| stealthy | 8 | |
| outhouse | 8 | |
| sneaking | 8 | |
| SKULKING | 8 | |
| 9 letters | ||
| BACKHOUSE | 9 | |
| REST ROOM | 9 | |
| withdrawn | 9 | |
| cognizant | 9 | |
| 10 letters | ||
| UNDECEIVED | 10 | |
| PRIVILEGED | 10 | |
| undercover | 10 | |
| acquainted | 10 | |
| streetwise | 10 | |
| 11 letters | ||
| unobtrusive | 11 | |
| clandestine | 11 | |
| underground | 11 | |
| underhanded | 11 | |
| SEQUESTERED | 11 | |
| 12 letters | ||
| WATER CLOSET | 12 | |
| 13 letters | ||
| surreptitious | 13 | |