| 100% | ANARCHY | 7 | "___ is the only slight glimmer of hope": Mick Jagger |
| 38% | BEARD | 5 | Dopey is the only one of the Seven Dwarfs without one |
| 38% | BIRDS | 5 | "___ are the only "direct" descendants of 15a that are alive today!" |
| 38% | EFFA | 4 | Manley who is the only woman in the Baseball Hall of Fame |
| 38% | GTILES | 6 | The only pieces there are exactly three of in Scrabble |
| 37% | EAR | 3 | A mantis is the only animal known to have just one of these |
| 37% | USSTATES | 8 | E is the only vowel that doesn't begin any of their names |
| 37% | LABORUNION | 10 | Ronald Reagan is the only U.S. president who was also president of a … |
| 37% | PADRES | 6 | Dave Winfield is the only Hall of Famer to wear this team's cap |
| 37% | POLE | 4 | John Paul II has been the only pope that has been one of these |
| 37% | MBA | 3 | Pres. George W. Bush was the only president to hold one of these degs. |
| 36% | WALTERBENJAMIN | 14 | German philosopher who wrote, “The only way of knowing a person is to love them without hope” |
| 36% | VIOLA | 5 | Actress Davis who is the only Black performer to achieve the Triple Crown of Acting |
| 36% | STORMS | 6 | The Cape of Good Hope was formerly Cape of __ |
| 36% | CLAPTON | 7 | Eric who is the only three-time inductee into the Rock and Roll Hall of Fame |
| 36% | CRUZ | 4 | Penélope who is the only Spanish actress with a star on the Hollywood Walk of Fame |
| 36% | NINA | 4 | García who is the only person to be a judge on every season of "Project Runway" |
| 36% | ERDOS | 5 | Mathematician who was the subject of "The Man Who Loved Only Numbers" |
| 35% | ERIE | 4 | Of the Great Lakes, only Ontario is smaller than it |
| 35% | STAFF | 5 | Mick Mulvaney is the chief of this group |
| 35% | ERIC | 4 | Musician Clapton who is the only three-time inductee to the Rock and Roll Hall of Fame |
| 35% | IDA | 3 | Lupino who was the only woman to direct an episode of the 1959 The Twilight Zone series |
| 35% | COLBERT | 7 | Comedian who was the only man on Maxim's 2012 Hot 100 list of most beautiful women |
| 35% | ISRAEL | 6 | The name of its national anthem is Hebrew for "The Hope" |
| 34% | ERDOS | 5 | Mathematician who was the subject of the book "The Man Who Loved Only Numbers" |
| 34% | UPTURN | 6 | Glimmer of hope? |
| 34% | BEDE | 4 | Only native of Great Britain to be named "Doctor of the Church" |
| 34% | STEVIE | 6 | Singer Nicks who is the only woman to be inducted into the Rock and Roll Hall of Fame twice |
| 34% | BART | 4 | Simpson who was the only fictional character on Time's 100 Most Important People of the 20th Century list |
| 34% | ANDRETTI | 8 | Only person to be named Driver of the Year in three different decades |