| 100% | TRITON | 6 | Neptunian moon named after a sea god |
| 67% | NEPTUNE | 7 | Planet named after a sea god |
| 52% | AEGEAN | 6 | Largest Greek airline, named after a sea |
| 52% | OSPREY | 6 | Military aircraft named after a sea hawk |
| 52% | LEDA | 4 | Jupiter's moon named after a Spartan queen |
| 51% | WEDDELL | 7 | __ seal, polar creature named after a sea captain |
| 51% | NEPTUNE | 7 | Planet named after the Roman god of the sea, with 14 known moons |
| 51% | HYPERION | 8 | Saturn moon named after a Titan in Greek mythology |
| 51% | JANUARY | 7 | Month named after a two-faced god |
| 49% | LUNA | 4 | Moth species named after a moon goddess |
| 49% | PANPIPE | 7 | Wind instrument named after a Greek god |
| 49% | LOKI | 4 | Marvel character named after a Norse god |
| 49% | APOLLO | 6 | Space program named after a Greek god |
| 49% | MARS | 4 | Planet named after a god of war |
| 49% | NEMO | 4 | Pixar fish named after a Verne sea captain |
| 49% | ODESSA | 6 | Texas city named after a Black Sea port |
| 49% | NEPTUNE | 7 | Planet named for a sea god |
| 47% | ANEMONE | 7 | Sea creature named after a flower |
| 47% | URANUS | 6 | Planet named after a primordial Greek deity, with 27 known moons |
| 46% | IONIA | 5 | Ancient land with a sea named after it |
| 46% | BARENTS | 7 | Navigator William with a sea named after him |
| 45% | PEONIES | 7 | Showy flowers named after a Greek god of medicine |
| 45% | MNEME | 5 | Moon of Jupiter named after a muse |
| 45% | TELESTO | 7 | Moon of Saturn named after a Greek Oceanid |
| 43% | UMBRIEL | 7 | Moon in Uranus named after a character of a poem |
| 43% | ANEMONE | 7 | A colorful sea invertebrate named after a flower |
| 43% | JUPITER | 7 | Planet named after the king of the Roman gods, with 95 known moons |
| 43% | NEPTUNE | 7 | Planet named after the Roman god of the sea |
| 42% | AEOLUS | 6 | Greek God after whom a type of harp is named |
| 42% | WEDDELL | 7 | __ Sea, polar waters named after a British sealer |