| 100% | DONATI | 6 | Italian astronomer Giovanni Battista ___, after whom a comet is named |
| 57% | BOPP | 4 | Astronomer Thomas for whom a comet is named |
| 55% | PETRARCH | 8 | Italian poet after whom a style of sonnet is named |
| 53% | DONATI | 6 | Giovanni Battista —, 19th-century Italian astronomer who pioneered the spectroscopy of comets |
| 49% | EPONYM | 6 | Person after whom a discovery is named |
| 49% | PARTON | 6 | Performer after whom a clone was named |
| 48% | BOSC | 4 | French horticulturist after whom a variety of fruit is named |
| 48% | QUEENANNE | 9 | English monarch after whom a brickwork building style is named |
| 48% | ELLIS | 5 | Colonial merchant Samuel after whom a famous island is named |
| 48% | GAUSS | 5 | German physicist after whom a unit of magnetism is named |
| 48% | AEOLUS | 6 | Greek God after whom a type of harp is named |
| 48% | UTE | 3 | People after whom a U.S. state is named |
| 48% | EMORY | 5 | Bishop John, after whom a Georgia university was named |
| 48% | LOCKE | 5 | Philosopher after whom a character on "Lost" was named |
| 47% | LALANDE | 7 | Jerome —, French astronomer after whom a crater on the Moon is named |
| 47% | ORONO | 5 | Chief Joseph ___, after whom a Maine college town is named |
| 47% | IVOR | 4 | Songwriter ___ Novello after whom a popular music award is named |
| 47% | UTE | 3 | Tribe after whom a western U.S. state is named |
| 47% | UTE | 3 | Indigenous people after whom a U.S. state is named |
| 47% | SHEA | 4 | Attorney William after whom a stadium is named |
| 47% | HOOVER | 6 | US president after whom a dam is named |
| 47% | BERNOULLI | 9 | Mathematician Daniel after whom a principle is named |
| 47% | EPONYMOUS | 9 | Individual after whom a literary work is named |
| 47% | UTE | 3 | People after whom a US state is named |
| 47% | ERIE | 4 | People after whom a Great Lake is named |
| 47% | UTE | 3 | Tribe after whom a US state is named |
| 47% | EBBETS | 6 | Charles after whom a sports field was named |
| 47% | AMELIA | 6 | English princess after whom a Virginia county is named |
| 47% | MORSE | 5 | Inventor after whom a Yale residential college is named |
| 47% | RIPLEY | 6 | One after whom a Times Square museum is named |