| Solution | Length | |
|---|---|---|
| 3 letters | ||
| sub | 3 | |
| 4 letters | ||
| hero | 4 | |
| 5 letters | ||
| uboat | 5 | |
| poboy | 5 | |
| scuba | 5 | |
| 6 letters | ||
| hoagie | 6 | |
| yellow | 6 | |
| u-boat | 6 | |
| vessel | 6 | |
| sunken | 6 | |
| 7 letters | ||
| snorkel | 7 | |
| 8 letters | ||
| WARHEADS | 8 | |
| wet suit | 8 | |
| undersea | 8 | |
| 9 letters | ||
| SUBMERGED | 9 | |
| torpedube | 9 | |
| 10 letters | ||
| swim fins | 10 | |
| underwater | 10 | |
| 11 letters | ||
| TORPEDOTUBE | 11 | |
| underthesea | 11 | |
| 12 letters | ||
| herosandwich | 12 | |