| 100% | JAMESWEBB | 9 | Former NASA administrator after whom its newest space telescope is named |
| 49% | WEBB | 4 | NASA administrator James for whom a space telescope is named |
| 46% | EDWIN | 5 | Hubble who the Hubble Space Telescope was named after |
| 37% | JAMESII | 7 | King-in-waiting after whom New York was named |
| 36% | EDWIN | 5 | Astronomer Hubble for whom the Hubble Space Telescope was named |
| 35% | VESPUCCI | 8 | Italian voyager after whom the New World was named |
| 33% | GARFIELD | 8 | James A. ___, 20th President of the United States after whom a city in New Jersey is named |
| 33% | ADAMS | 5 | John ___, second President of the United States after whom a town in Jefferson County, New York is named |
| 33% | ENDEAVOUR | 9 | HMS ___, British Royal Navy ship that has a NASA Space Shuttle named after it |
| 32% | HUBBLE | 6 | Space telescope named after astronomer Edwin |
| 31% | SILVER | 6 | Argentina was named after it |
| 31% | EPONYM | 6 | Person after whom something is named |
| 31% | EPONYMS | 7 | People after whom things are named |
| 31% | AMELIA | 6 | Bloomer after whom bloomers are named |
| 31% | ELIHU | 5 | Yale after whom Yale was named |
| 31% | EPONYMS | 7 | Ones after whom others are named |
| 30% | ELI | 3 | Whitney after whom Whitneyville, Conn., is named |
| 30% | EPONYM | 6 | Person after whom a discovery is named |
| 30% | ERNEST | 6 | Physicist Rutherford after whom rutherfordium is named |
| 30% | ALDRIN | 6 | Astronaut after whom Buzz Lightyear was named |
| 30% | PARTON | 6 | Performer after whom a clone was named |
| 30% | ROOSEVELT | 9 | President after whom teddy bears are named |
| 30% | DESCARTES | 9 | René, after whom Cartesian coordinates are named |
| 30% | UTE | 3 | Tribe after whom a western U.S. state is named |
| 30% | MACADAM | 7 | John from Australia, after whom the macadamia nut was named |
| 30% | SHEA | 4 | Attorney William after whom a stadium is named |
| 30% | SAM | 3 | Houston after whom the Texas city is named |
| 30% | HOOVER | 6 | US president after whom a dam is named |
| 30% | BERNOULLI | 9 | Mathematician Daniel after whom a principle is named |