| AMELLE | Formerly one third of the Sugababes, _ Berrabah (6) |
| MUTYA | One third of the Sugababes, _ Buena (5) |
| KEISHA | _ Buchanan one of the Sugababes (6) |
| ALISON | ___ Moyet, formerly one half of synth-pop duo Yazoo (6) |
| ORITSE | _ Williams, formerly one quarter of JLS (6) |
| FASTER | Translation of one-third of the Olympic motto |
| OPENLY | Obviously only admitting one third of the people (6) |
| NOLINA | Covering around one-third of the UK's terrain, a habitat often with blanket bog (6) |
| RHODES | Island country, formerly one area overlooked (6) |
| DESERT | Roughly one-third of the earth's surface |
| POMEGRANATE | Because the wife of "king of the underworld" had eaten a single seed in the underworld, she had to remain there one-third of the year and spend the other two-thirds with her mother. From what fruit di |
| BUENA | Mutya _, one of the Sugababes (5) |
| JADEEWEN | She was the last new member of the Sugababes (4,4) |
| RANGE | Maiden name of Heidi Partakis, former member of the Sugababes (5) |
| BUCHANAN | Keisha ___, founding member of the Sugababes, who won The Masked Singer in 2026 (8) |
| EWEN | Last new member of the Sugababes, Jade _ (4) |
| MIMAS | Moon of Saturn discovered in 1789 with crater which is one third of the diameter of the satellite (5) |
| ANDORRA | Principality in the Pyrenees, one-third of the size of London (7) |
| ARALSEA | Lake that was formerly one of the world's largest |
| CORNERSTONE | Type of crop, formerly one thing of prime importance (11) |