| 100% | BARNACLE | 8 | Crustacean that attaches itself to ships |
| 73% | BARNACLE | 8 | A crustacean that attaches itself solidly to rocks |
| 64% | BARNACLE | 8 | Marine crustacean that lives attached to rocks and ship bottoms |
| 61% | REMORA | 6 | Suckerfish that attaches itself to sharks |
| 61% | REMORA | 6 | Fish that attaches itself to sharks |
| 60% | REMORA | 6 | Fish that attaches itself to a host |
| 60% | LIMPET | 6 | Marine snail that attaches itself to rocks |
| 59% | BARNACLE | 8 | Crustacean that attaches to boat hulls |
| 57% | BARNACLE | 8 | Hard-shelled creature that attaches itself to the bottom of a boat |
| 55% | BARNACLE | 8 | Shellfish that attaches to ships |
| 50% | MAST | 4 | Ship part that a crow's-nest is attached to |
| 50% | REMORA | 6 | Fish that can attach itself to a boat |
| 49% | REMORA | 6 | Fish that may attach itself to a 68-Across |
| 49% | MAST | 4 | Pole that a ship's sail is attached to |
| 48% | MAST | 4 | Part of a ship that a sail is attached to |
| 47% | MAST | 4 | Pole on a ship that a crow's nest is attached to |
| 44% | BARNACLE | 8 | Marine arthropod who cements itself to ships |
| 42% | BOLT | 4 | Fastener that attaches to a nut |
| 41% | LIFEBOATS | 9 | Safety rafts attached to big ships |
| 41% | REMORA | 6 | Slender fish that attaches to large fish |
| 41% | SLIPNSLIDE | 10 | Backyard toy that attaches to a hose |
| 41% | BARNACLE | 8 | Small seaside crustacean that clings to rocks |
| 41% | BARNACLES | 9 | Crusty arthropods that attach to marine rocks |
| 40% | ARGO | 4 | Ship that sailed to Colchis |
| 40% | SLIPNSLIDE | 10 | Outdoor toy that attaches to a garden hose |
| 40% | BRACKET | 7 | Fitting that attaches a television to a wall |
| 40% | HARNESSES | 9 | Straps that attach parachutes to skydivers |
| 39% | AIRHOSE | 7 | Tube that attaches to a diving helmet: 2 wds. |
| 39% | PETIOLE | 7 | Stalk that attaches a leaf blade to the stem |
| 39% | NET | 3 | Part of a basketball hoop that attaches to the rim |