| 100% | ARENO | 5 | "The only rule is that there ___ rules" |
| 92% | ARENO | 5 | "The only rule is that there ___ rules": 2 wds. |
| 71% | LAWS | 4 | Those are the rules |
| 63% | RUTH | 4 | Book that begins "In the days when the judges ruled, there was a famine in the land" |
| 62% | FIGHTCLUB | 9 | The first rule is that you do not talk about it |
| 57% | IOWA | 4 | Hoover was the only president born there |
| 56% | GTILES | 6 | The only pieces there are exactly three of in Scrabble |
| 56% | ANI | 3 | April is the only month that has one |
| 56% | STOICISM | 8 | Philosophy that teaches virtue is the only good |
| 56% | SKELETON | 8 | The Blue ridge coral is the only one that forms a __ |
| 55% | ANTINOVEL | 9 | Fiction work that doesn't follow the normal rules |
| 55% | TEE | 3 | August is the only month that ends with one |
| 55% | COFFEEBEAN | 10 | Globally used seed that usually comes in twos, but when there is only one inside the "cherry", it's known as a peaberry |
| 55% | BIRDS | 5 | "___ are the only "direct" descendants of 15a that are alive today!" |
| 55% | TEETOTALER | 10 | Caddie checking that there are enough pegs for the round? |
| 54% | ALASKA | 6 | Only state that is crossed by the Arctic Circle |
| 53% | LAWS | 4 | Rules to adhere to that are enforced by the government |
| 53% | FOOTBALL | 8 | Sport that can be American or Aussie Rules |
| 53% | UNFAIRLY | 8 | Dishonestly; in a way that disregards the rules |
| 53% | HITOPFADES | 10 | Haircuts that are short only on the sides |
| 52% | QUEUE | 5 | Only English word that's pronounced the same after its last four letters are removed |
| 52% | USSTATES | 8 | E is the only vowel that doesn't begin any of their names |
| 52% | IRAN | 4 | Country that was once ruled by the Ayatollah Khomeini |
| 52% | IRAN | 4 | Country that was formerly ruled by the Ayatollah Khomeini |
| 52% | POLE | 4 | John Paul II has been the only pope that has been one of these |
| 52% | LOMBARDI | 8 | Coach who said "The dictionary is the only place that success comes before work" |
| 52% | PLATO | 5 | Philosopher who believed that the physical world is only a shadow of true reality |
| 52% | OHIO | 4 | Columbus's state with the only U.S. state flag that is not rectangular |
| 51% | LISA | 4 | Vanderpump whose Hollywood restaurant is the focus of Vanderpump Rules |
| 51% | HOPE | 4 | ___ is being able to see that there is light despite all of the darkness: Desmond Tutu |