| 100% | HERSCHEL | 8 | William, astronomer who discovered Uranus in 1781 |
| 98% | HERSCHEL | 8 | William —, astronomer who discovered Uranus in 1781 |
| 86% | HERSCHEL | 8 | William —, astronomer who discovered the planet Uranus in 1781 |
| 70% | HERSCHEL | 8 | Astronomer who discovered Uranus: William __ |
| 67% | HERSCHEL | 8 | William __; astronomer who discovered Uranus |
| 58% | HERSCHEL | 8 | Astronomer who discovered Uranus |
| 53% | HUBBLE | 6 | Astronomer who discovered other galaxies in 1924 |
| 43% | UMBRIEL | 7 | Satellite of Uranus discovered along with Ariel in 1851 by William Lassell |
| 42% | HERSCHEL | 8 | William —, discoverer in 1781 of the planet Uranus |
| 41% | GALILEO | 7 | Astronomer who discovered the main moons of Jupiter |
| 41% | MESSIER | 7 | French astronomer who discovered 110 objects |
| 40% | HERSCHEL | 8 | Surname of the man who discovered Uranus |
| 39% | CHAD | 4 | Astronomer Trujillo, who co-discovered the dwarf planet Eris in 2005 |
| 37% | BRAHE | 5 | Astronomer who lost part of his nose in a duel |
| 36% | BRAHE | 5 | Astronomer who lost part of his nose in a sword duel |
| 36% | FRIEDKIN | 8 | William who directed The Exorcist in 1973 |
| 36% | SERENA | 6 | Williams who retired from tennis in 2022 |
| 35% | BOYD | 4 | William who played Hopalong Cassidy in old westerns |
| 35% | CAMBRIDGE | 9 | William who was made Duke of __ in 2011 |
| 35% | URANUS | 6 | Planet discovered in 1781 |
| 34% | STURT | 5 | Charles —, explorer who discovered the Darling River in Australia in 1829 |
| 34% | SPEKE | 5 | John Hanning —, Devon-born explorer who discovered Lake Victoria in 1858 |
| 34% | PYTHAGORAS | 10 | Greek mathematician who discovered a theorem for right triangles in geometry |
| 34% | DAMPIER | 7 | William —, English navigator and pirate who died in 1715 |
| 34% | UMBRIEL | 7 | Large moon of Uranus discovered in 1851 |
| 34% | MELGIBSON | 9 | Actor who played William Wallace in Braveheart |
| 34% | BLIGH | 5 | William —, commander of the HMS Bounty who died in 1817 |
| 33% | ROBIN | 5 | ___ Williams, guest actor who appeared in "Friends" as Tomas |
| 33% | CARTER | 6 | Howard ___, archaeologist who discovered Tutankhamun's tomb in Egypt on November 4th 1922 |
| 33% | MORRIS | 6 | William —, artist and writer who founded the Kelmscott Press in 1891 |