| 100% | ANAISNIN | 8 | Who wrote "The only abnormality is the incapacity to love" |
| 57% | WALTERBENJAMIN | 14 | German philosopher who wrote, “The only way of knowing a person is to love them without hope” |
| 53% | PIUSII | 6 | 15th-century pontiff who was the only pope to write an autobiography |
| 50% | MARX | 4 | Philosopher who wrote, “The philosophers have only interpreted the world, in various ways. The point, however, is to change it” |
| 47% | SUNTZU | 6 | Who wrote "The supreme art of war is to subdue the enemy without fighting" |
| 47% | EROS | 4 | The Greek god of love, who is the counterpart to 27-Across |
| 47% | WHEATLEY | 8 | Phillis who wrote the poem “On Being Brought from Africa to America” |
| 47% | POE | 3 | Poet who wrote the line "But we loved with a love that was more than love" |
| 46% | WINTERSON | 9 | Jeanette who wrote Oranges Are Not the Only Fruit |
| 46% | WINTERSON | 9 | Jeanette who wrote "Oranges Are Not the Only Fruit" |
| 45% | AYNRAND | 7 | Who wrote "Wealth is the product of man's capacity to think" |
| 45% | ADLER | 5 | Irene who was the only woman to outwit Sherlock Holmes |
| 45% | ADRIENNERICH | 12 | Poet and feminist who wrote “The moment of change is the only poem” |
| 45% | OVID | 4 | Poet who wrote "If you want to be loved, be lovable" |
| 44% | ERDOS | 5 | Mathematician who was the subject of "The Man Who Loved Only Numbers" |
| 44% | JUSTIFY | 7 | 2018 Triple Crown winner who became the only such racehorse to be undefeated in his whole career |
| 43% | ROD | 3 | Laver who is the only player to achieve a tennis Grand Slam twice |
| 43% | SHIELDS | 7 | Claressa who is the only American boxer to win consecutive Olympic gold medals |
| 43% | DESADE | 6 | He wrote "The only way to a woman's heart is along the path of torment" |
| 43% | ERDOS | 5 | Mathematician who was the subject of the book "The Man Who Loved Only Numbers" |
| 43% | SAMUELCHASE | 11 | Founding father who is the only Supreme Court justice to have ever been impeached |
| 43% | NOMO | 4 | Pitcher Hideo who is the only Japanese MLB player to throw two no-hitters |
| 43% | SUE | 3 | Bird who is the only player to win WNBA titles in three different decades |
| 43% | VOLTAIRE | 8 | Philosopher who wrote "It is difficult to free fools from the chains they revere" |
| 43% | ORR | 3 | Bruins' NHL player who was the only defenceman to ever score nine hat tricks |
| 43% | EDA | 3 | LeShan who wrote "It's Better to Be Over the Hill Than Under It" |
| 43% | LESHAN | 6 | Eda who wrote "It's Better to Be Over the Hill Than Under It" |
| 42% | VIOLA | 5 | Actress Davis who is the only Black performer to achieve the Triple Crown of Acting |
| 42% | MARCEAU | 7 | Mime Marcel who is the only actor to speak in Mel Brooks's "Silent Movie" |
| 42% | SUE | 3 | Point guard Bird who is the only player to win WNBA titles in three decades |