| Sister Sledge hit | 17 |
| Sister ship of the Olympic and the Britannic | 44 |
| Sister record co. of Virgin | 27 |
| Sister publication of The Advocate | 34 |
| Sister port of Algiers | 22 |
| Sister or story starter | 23 |
| Sister or mother | 16 |
| Sister or cousin | 16 |
| Sister on "The Waltons" | 33 |
| Sister on "Dexter's Laboratory" | 45 |
| Sister of Zsa Zsa and Magda | 27 |
| Sister of Zsa Zsa and Eva | 25 |
| Sister of Zsa Zsa | 17 |
| Sister of Zeus | 14 |
| Sister of Vesuvius | 18 |
| Sister of Venus | 15 |
| Sister of Urania | 16 |
| Sister of the Biography Channel | 31 |
| Sister of Thalia | 16 |
| Sister of Terpsichore | 21 |
| Sister of Stheno and Euryale | 28 |
| Sister of Sol and Luna | 22 |
| Sister of Snow White | 20 |
| Sister of Selene | 16 |
| Sister of Sasha Obama | 21 |
| Sister of Rose Red | 18 |
| Sister of Rachel, in the Bible | 30 |
| Sister of Rachel | 16 |
| Sister of Queen Beatrix of the Netherlands | 42 |
| Sister of Prince Charles | 24 |
| Sister of Poseidon | 18 |
| Sister of Polyhymnia | 20 |
| Sister of Phoebe, in myth | 25 |
| Sister of Peter Rabbit | 22 |
| Sister of Peter | 15 |
| Sister of Patty and Marge | 25 |
| Sister of Osiris | 16 |
| Sister of Orestes | 17 |
| Sister of Olga and Masha, in Chekhov | 36 |
| Sister of Olga and Masha | 24 |
| Sister of Notre Dame de ___ | 27 |
| Sister of Nora Ephron | 21 |
| Sister of Nike | 14 |
| Sister of Nephthys | 18 |
| Sister of Napoleon | 18 |
| Sister of Moses and Aaron | 25 |
| Sister of Moses | 15 |
| Sister of Mike in "For Better or for Worse" | 53 |
| Sister of Michael and Janet | 27 |
| Sister of Melpomene | 19 |
| Sister of Meg, Jo and Amy | 25 |
| Sister of Meg and Beth | 22 |
| Sister of Masha and Olga | 24 |
| Sister of Masha and Irina | 25 |
| Sister of Marge Simpson | 23 |
| Sister of Maggie and Bart | 25 |
| Sister of Magda and Eva | 23 |
| Sister of Lustica in "Born Free" | 42 |
| Sister of Luke, in sci-fi | 25 |
| Sister of Luke | 14 |
| Sister of Lucy, Edmund and Peter in the Narnia books | 52 |
| Sister of literature | 20 |
| Sister of Linus | 15 |
| Sister of Lazarus, in the Bible | 31 |
| Sister of Lazarus | 17 |
| Sister of Laertes | 17 |
| Sister of La Toya | 17 |
| Sister of King Arthur | 21 |
| Sister of Khloe and Kourtney | 28 |
| Sister of Jupiter | 17 |
| Sister of Joseph II | 19 |
| Sister of John-Boy Walton | 25 |
| Sister of John Boy | 18 |
| Sister of John and Lionel | 25 |
| Sister of Jo, in literature | 27 |
| Sister of Jo, Amy, and Beth | 27 |
| Sister of Jo, Amy and Beth | 26 |
| Sister of Jo | 12 |
| Sister of Janet and Michael | 27 |
| Sister of Janet | 15 |
| Sister of Jack and Bobby | 24 |
| Sister of Isabel II | 19 |
| Sister of Iris | 14 |
| Sister of Iphigenia | 19 |
| Sister of Hestia and Hades | 26 |
| Sister of Helios and Selene | 27 |
| Sister of Helios | 16 |
| Sister of Hansel | 16 |
| Sister of Goneril and Cordelia | 30 |
| Sister of Goneril | 17 |
| Sister of Fred Astaire | 22 |
| Sister of Fred | 14 |
| Sister of Frank Jr. | 19 |
| Sister of Fortune? | 18 |
| Sister of Fatima | 16 |
| Sister of Eva and Zsa Zsa | 25 |
| Sister of Eva and Magda | 23 |
| Sister of Eva | 13 |
| Sister of Euterpe | 17 |
| Sister of Erato or Clio | 23 |