| 100% | AMES | 4 | Brothers' name of 40's-50's music |
| 78% | AMES | 4 | ___ Brothers of 40's-50's music |
| 60% | FREDROSE | 8 | Country music giant of the 40's and 50's |
| 53% | ORM | 3 | Name of Aquaman's jaded younger brother |
| 53% | CLEAVER | 7 | Family name of 50's-60's TV |
| 53% | EDMUND | 6 | Name of Shakespeare's youngest brother, died 1607 |
| 50% | ALYCE | 5 | One of the King Sisters of 40's music |
| 50% | BRET | 4 | Brother of Bart, in 50's-60's TV |
| 50% | TAUTOLOGICAL | 12 | Like the names of 18-, 25-, 40- and 50- Across vis-à-vis the bracketed languages |
| 50% | BOP | 3 | 40's-50's music |
| 49% | BEAU | 4 | First name of Jeff Bridges's actor brother |
| 49% | IRA | 3 | First name of George Gershwin's lyricist brother |
| 49% | YEYE | 4 | Style of 1960's French pop music with a repetitive name |
| 48% | ABEL | 4 | ___ Tesfaye, real name of pop music's the Weeknd |
| 48% | ELLA | 4 | Raines of 40's-50's film |
| 47% | BOONES | 6 | Pop music family of the 50's-70's |
| 47% | ANDY | 4 | The youngest of music's Gibb brothers |
| 46% | ALBERT | 6 | First name of 18-Across's adopted brother, played by Matthew Laborteaux |
| 46% | OLDS | 4 | Futuramic of the late 40's and early 50's |
| 45% | ARON | 4 | East of Eden brother (or a girl's name in reverse) |
| 45% | TSELIOT | 7 | Name atop "Naming of Cats" sheet music |
| 45% | COEN | 4 | Family name of Hollywood brothers |
| 45% | ALLAN | 5 | Middle name of 50 Across |
| 44% | LOPAT | 5 | Eddie of the 40's-50's Yankees |
| 44% | RICHARDPETTY | 12 | Seven-time Daytona 500 winner who was named one of NASCAR's 50 Greatest Drivers (2 wds.) |
| 44% | CALEYARBOROUGH | 14 | Four-time Daytona 500 winner who was named one of NASCAR's 50 Greatest Drivers (2 wds.) |
| 44% | BOBBYALLISON | 12 | Three-time Daytona 500 winner who was named one of NASCAR's 50 Greatest Drivers (2 wds.) |
| 44% | EARP | 4 | Family name of three lawmen brothers |
| 44% | KBTOYS | 6 | Chain of children's stores founded by the Kaufman brothers (hence its name) |
| 43% | YOGI | 4 | First name in the 40's-50's Yankees |