| 100% | CHARON | 6 | Pluto’s largest moon, named for the ferryman of the River Styx |
| 53% | DELTA | 5 | Large US airline named for the southern region of the Mississippi River |
| 49% | AVON | 4 | Large cosmetics company named for the river in Shakespeare's hometown |
| 48% | MONDAY | 6 | 24-hour period named for the day of the moon |
| 47% | SAMHOUSTON | 10 | Texas Revolution figure for whom Texas's largest city is named ("The Treasure of the Sierra Madre") |
| 47% | TITAN | 5 | Mythical giant and also the name of Saturn's largest moon |
| 45% | BIANCA | 6 | Moon of Uranus named for Katherine's sister in Shakespeare's "The Taming of the Shrew" |
| 44% | OHIO | 4 | One of the three rivers that Pittsburgh's Three Rivers Stadium is named for |
| 44% | PIVOT | 5 | Alternate name for the position of the team's tallest player |
| 44% | STYX | 4 | Moon of 6-Down named for a mythological river |
| 43% | GRANTA | 6 | Local name for the longer of two main tributaries of the River Cam in eastern England |
| 43% | ANGORA | 6 | Old city name for the location of the Turkey's Alaeddin Mosque |
| 43% | THEBIGDIPPER | 12 | Current name for the arrangement of the O's in this puzzle |
| 43% | THEGREATWAGON | 13 | Old name for the arrangement of the O's in this puzzle |
| 43% | THESEVENOXEN | 12 | Old name for the arrangement of the O's in this puzzle |
| 43% | ALBANY | 6 | It's named for the Duke of York |
| 43% | YELLOWSEA | 9 | Body of water so named for the silt-ridden discharges from nearby rivers |
| 43% | HONAN | 5 | Older name for the city of Zhengzhou's province |
| 42% | MIRANDA | 7 | Moon of Uranus named for Prospero's daughter in Shakespeare's "The Tempest" |
| 41% | DROGHEDA | 8 | Large Irish town at the mouth of the River Boyne |
| 41% | COCCYX | 6 | Medical name for the tailbone of the spine |
| 41% | PORTIA | 6 | Moon of Uranus named for a rich heiress in Shakespeare's "The Merchant of Venice" |
| 41% | ANTHROPOCENE | 12 | The current geological age, named for the impact of humans on the Earth’s systems |
| 40% | TITANIA | 7 | Uranus' moon named after the Queen of the Fairies |
| 40% | MIRANDA | 7 | Uranus moon named after the heroine of The Tempest |
| 40% | TORRS | 5 | Pressure units named for the inventor of the barometer |
| 40% | TBONE | 5 | Cut named for the shape of the lumbar vertebra |
| 40% | OCEANIA | 7 | Collective name for the islands of the Pacific Ocean |
| 40% | MANILA | 6 | Type of folder named for the capital of the Philippines |
| 40% | ALLSOULS | 8 | College named for the dead of the 100 Years' War |