| 100% | CLIO | 4 | One of nine sisters in myth |
| 64% | ERATO | 5 | One of nine sisters |
| 60% | ERATO | 5 | One of nine notable sisters |
| 60% | IRON | 4 | One of nine in golf |
| 59% | ALEX | 4 | One of the sisters in "Sisters" |
| 59% | DIGIT | 5 | One of nine in an SSN |
| 59% | ELSA | 4 | One of the sisters in "Frozen" |
| 59% | ANN | 3 | One of two sisters in Heart |
| 59% | ROW | 3 | One of nine in a Sudoku grid |
| 59% | SCENE | 5 | One of nine in the play "Fences" |
| 59% | MEG | 3 | One of the sisters in "Little Women" |
| 58% | INNING | 6 | One of nine divisions of play in baseball |
| 57% | MASHA | 5 | One of the sisters in Chekhov's "Three Sisters" |
| 57% | OLGA | 4 | One of the sisters in Chekhov's "Three Sisters" |
| 56% | SELENE | 6 | Sister of Helios in Greek myth |
| 56% | SASHA | 5 | One of two sisters in the White House in the 2010s |
| 55% | EYE | 3 | One of 100 for Argus, in myth |
| 55% | ELIZA | 5 | One of the Schuyler sisters, in "Hamilton" |
| 55% | ELIZA | 5 | One of the Schuyler sisters in "Hamilton" |
| 55% | EROS | 4 | One of the primal gods in Greek myth |
| 55% | AGLAIA | 6 | One of the three Charites in Greek myth |
| 55% | MAIZE | 5 | One of the "Three Sisters" in Iroquois cuisine |
| 55% | ASIA | 4 | One of the Oceanides, in Greek myth |
| 54% | HOLE | 4 | One of the nine in 10-Down's clue |
| 54% | ALANA | 5 | One of Ariel's sisters in "The Little Mermaid" |
| 54% | BETH | 4 | One of Amy March's sisters in "Little Women" |
| 54% | NORN | 4 | One of a trio in Scandinavian myth |
| 54% | IONE | 4 | One of the Nereids in Greek myth |
| 54% | IDAS | 4 | One of the Argonauts in Greek myth |
| 54% | RHEA | 4 | Sister of Phoebe, in myth |