| Ruler unit | 10 |
| Ruler units: Abbr. | 18 |
| Ruler until 1917 | 16 |
| Ruler until 1979 | 16 |
| Ruler von Bismarck | 18 |
| Ruler who died in exile | 23 |
| Ruler who fled: Jan. 16, 1979 | 29 |
| Ruler who founded St. Petersburg | 32 |
| Ruler who lived in the Winter Palace | 36 |
| Ruler who razed Aquileia | 24 |
| Ruler who rules by force | 24 |
| Ruler whose more common spelling is rare in crosswords | 54 |
| Ruler with a line? | 18 |
| Ruler with a palace in Tehran, once | 35 |
| Ruler with a palace near St. Mark's | 39 |
| Ruler with a table | 18 |
| Ruler with a throne | 19 |
| Ruler with absolute power | 25 |
| Ruler with an iron fist | 23 |
| Ruler with custard desserts? | 28 |
| Ruler with gilt feelings? | 25 |
| Ruler with statues at Abu Simbel | 32 |
| Ruler's domain | 18 |
| Ruler's domain? | 19 |
| Ruler's epithet | 19 |
| Ruler's inch, e.g. | 22 |
| Ruler's length | 18 |
| Ruler's place | 17 |
| Ruler's span | 16 |
| Ruler's territory | 21 |
| Ruler's title derived from "Caesar" | 49 |
| Ruler's title in Kuwait | 27 |
| Ruler, e.g. | 11 |
| Ruler, in Cádiz | 18 |
| Ruler, in France | 16 |
| Ruler, in Hawaii | 16 |
| Ruler, once | 11 |
| Ruler, pro tem | 14 |
| Ruler, so to speak | 18 |
| Ruler, somewhere in the world | 29 |
| Ruler: Abbr. | 12 |
| Rulers | 6 |
| Rulers after a revolution | 25 |
| Rulers after a revolution, sometimes | 36 |
| Rulers after an overthrow | 25 |
| Rulers after coups | 18 |
| Rulers before 1917 | 18 |
| Rulers before Lenin | 19 |
| Rulers contain them | 19 |
| Rulers have them | 16 |
| Rulers in a line | 16 |
| Rulers in Africa | 16 |
| Rulers like Juan Carlos | 23 |
| Rulers of a movie planet | 24 |
| Rulers of ancient Rome | 22 |
| Rulers of muzhiks | 17 |
| Rulers of old | 13 |
| Rulers of Qatar and Kuwait | 26 |
| Rulers of Spain | 15 |
| Rulers of the Nemanjic dynasty, e.g. | 36 |
| Rulers of the past | 18 |
| Rulers of the roost | 19 |
| Rulers of Tunis | 15 |
| Rulers of yore | 14 |
| Rulers or managers | 18 |
| Rulers that won't give an inch | 34 |
| Rulers until 1917 | 17 |
| Rulers who inherit their power | 30 |
| Rulers whose day is done | 24 |
| Rulers with depression? | 23 |
| Rulers with thrones | 19 |
| Rulers' domains | 19 |
| Rulers' roosts | 18 |
| Rulers' rulers | 18 |
| Rulers: Abbr. | 13 |
| Rules | 5 |
| Rules about legal wrongs | 24 |
| Rules according to vocalist Natalie? | 36 |
| Rules and regs. | 15 |
| Rules and regulations | 21 |
| Rules and ___ | 13 |
| Rules and ___ (administrative law collection) | 45 |
| Rules concerning cold cases? | 28 |
| Rules enforcer | 14 |
| Rules expert | 12 |
| Rules for allowing members of the opposite sex into dorms | 57 |
| Rules for hunters to follow | 27 |
| Rules for making pewter? | 24 |
| Rules for walkers | 17 |
| Rules immortal | 14 |
| Rules maven | 11 |
| Rules of action | 15 |
| Rules of behavior | 17 |
| Rules of Christian theology | 27 |
| Rules of conduct | 16 |
| Rules of conduct for short | 27 |
| Rules of English | 16 |
| Rules of faith | 14 |
| Rules of music? | 15 |
| Rules of order documenter | 25 |