| 100% | STYX | 4 | River in the Greek underworld |
| 76% | ACHERON | 7 | The Underworld's river of woe in Greek mythology |
| 75% | STYX | 4 | River that separates Earth and the Underworld, in Greek myth |
| 63% | STYX | 4 | River of the underworld, in myth |
| 60% | TARTARUS | 8 | In Greek myth the bottomless pit of the Underworld |
| 60% | OCEANOS | 7 | In Greek myth, the river that surrounds the Earth |
| 59% | STYX | 4 | River in Hades in Greek mythology across which Charon ferried the souls of the dead |
| 58% | HADES | 5 | Underworld abode of the souls of the dead in Greek mythology |
| 57% | ADES | 4 | H___ is in Greek mythology the god of the underworld |
| 57% | HADES | 5 | Greek god of the underworld voiced by James Woods in Disney's Hercules |
| 56% | EUPHRATES | 9 | River in the middle east |
| 55% | ORNE | 4 | River in the D-Day invasion |
| 54% | LENA | 4 | River in the Russian Federation in Asia |
| 54% | CHARON | 6 | Ferryman in Greek mythology who brought the dead across the river Styx to Hades |
| 54% | ALPHA | 5 | "A" in the Greek alphabet |
| 54% | RHO | 3 | P, in the Greek alphabet |
| 54% | DELTA | 5 | Triangle in the Greek alphabet |
| 54% | TWENTYFOUR | 10 | Letters in the Greek alphabet |
| 54% | KAPPA | 5 | Letter in the greek alphabet |
| 54% | NILE | 4 | Longest river in the world |
| 54% | WABASH | 6 | Border river in the Midwest |
| 53% | CHARON | 6 | Styx ferryman of the Greek Underworld |
| 53% | SIGMA | 5 | 18th letter in the Greek alphabet |
| 53% | UPSILON | 7 | 20th letter in the Greek alphabet |
| 53% | TAU | 3 | 19th letter in the Greek alphabet |
| 53% | LAST | 4 | Like omega, in the Greek alphabet |
| 53% | ZETA | 4 | Sixth letter in the Greek alphabet |
| 53% | OMICRON | 7 | Fifteenth letter in the Greek alphabet |
| 53% | OMEGA | 5 | 24th letter in the Greek alphabet |
| 53% | RHO | 3 | 17th letter in the Greek alphabet |