| 100% | PHOBOS | 6 | The two moons of Mars: Deimos and __ |
| 70% | PHOBOS | 6 | One of Mars's two moons, the other is Deimos |
| 67% | DEIMOS | 6 | With Phobos, it makes up the two moons of Mars |
| 65% | DEIMOS | 6 | Smaller of the two moons of Mars |
| 57% | ONE | 3 | Mars has two moons and the Earth has ___ |
| 55% | DEIMOS | 6 | Phobos and __ are the moons of Mars |
| 51% | AFRICAN | 7 | The two types of elephants: Asian and __ |
| 49% | PHOBOS | 6 | Larger of Mars's two moons |
| 49% | DEIMOS | 6 | Smaller of the two satellites of Mars |
| 49% | VALENTINE | 9 | The Two Gentlemen of Verona are him and Proteus |
| 49% | BACHS | 5 | The two wives and 20 children of Johann Sebastian |
| 48% | QBS | 3 | Moon and Starr of the NFL |
| 48% | BUZZALDRIN | 10 | Lunar module pilot on the Apollo 11 mission and one of the first two humans to land on the moon: 2 wds. |
| 47% | APOLLO | 6 | Moon program of the 1960s and 1970s |
| 46% | MARS | 4 | Planet named after the Roman god of war with 2 known moons, Phobos and Deimos |
| 46% | MARS | 4 | Planet with the moons Phobos and Deimos |
| 46% | PINKFLOYD | 9 | The Wall and Dark Side of the Moon band |
| 46% | CRESCENT | 8 | Moon shape on the flags of Pakistan and Algeria |
| 46% | DIANA | 5 | Roman goddess of the hunt and moon |
| 45% | COUPLET | 7 | Two lines of poetry with the same rhythm and rhyme |
| 45% | DIANA | 5 | Roman goddess of the hunt and the moon |
| 45% | AMERICA | 7 | South and North ____ are two of the continents |
| 45% | VIDEOGAMES | 10 | Fortnite and The Legend of Zelda, for two |
| 45% | TITANIA | 7 | Uranus' largest moon and queen of the fairies |
| 44% | ODES | 4 | Beauty and a nightingale were the focus of two |
| 44% | ALSTER | 6 | Tributary of the Elbe and two lakes in Hamburg |
| 44% | SYZYGY | 6 | Alignment of the sun, earth and moon, e.g. |
| 44% | DEIMOS | 6 | Moon of Mars |
| 44% | PHOBOS | 6 | Moon of Mars |
| 44% | SATURN | 6 | Telesto and Titan are two of this planet's moons |