| Solution | Length | |
|---|---|---|
| 3 letters | ||
| mac | 3 | |
| 4 letters | ||
| tarp | 4 | |
| snug | 4 | |
| 5 letters | ||
| loden | 5 | |
| tight | 5 | |
| proof | 5 | |
| stiff | 5 | |
| 6 letters | ||
| tender | 6 | |
| sealed | 6 | |
| reseal | 6 | |
| 7 letters | ||
| staunch | 7 | |
| shoepac | 7 | |
| 8 letters | ||
| oilcloth | 8 | |
| raincoat | 8 | |
| paraffin | 8 | |
| 9 letters | ||
| tarpaulin | 9 | |
| raincoats | 9 | |
| raintight | 9 | |
| WINDPROOF | 9 | |
| 10 letters | ||
| soundproof | 10 | |
| watertight | 10 | |
| 11 letters | ||
| impermeable | 11 | |
| 12 letters | ||
| WEATHERPROOF | 12 | |