| 100% | UNISON | 6 | Trade union formed in 1993 by the amalgamation of COHSE, NALGO, and NUPE |
| 35% | NUPE | 4 | Public service union that joined with COHSE and NALGO in 1993 to form UNISON (inits) |
| 34% | GIRONDE | 7 | Estuary in France formed by the confluence of the Rivers Dordogne and Garonne |
| 33% | SHATTALARAB | 11 | River in SE Iraq formed by the confluence of the Tigris and Euphrates Rivers |
| 33% | DEEPPURPLE | 10 | English rock band formed in 1968 and led by Ian Gillan, who gave us hits like "Soldier of Fortune" and "Smoke on the Water": 2 wds. |
| 32% | YAZOO | 5 | River in Mississippi, US, formed by the confluence of the Tallahatchie and Yalobusha Rivers |
| 31% | CASH | 4 | Money in the form of bills and coins |
| 31% | UNITE | 5 | — the Union, organisation formed in 2007 from a merger of Amicus and the TGWU |
| 30% | WESER | 5 | River formed by the junction of the Fulda and Werra |
| 30% | BENELUX | 7 | Customs union implemented by Belgium, Luxembourg and the Netherlands in 1948 |
| 30% | BANG | 4 | Sound suggested by the first letters of the words in 17-, 26-, 44- and 58-Across |
| 30% | EGOT | 4 | Award quartet achieved most recently by the songwriting team of Pasek and Paul, in 2024: Abbr. |
| 30% | ATOMICPILE | 10 | The first one of these was built by Fermi and his team in 1942 |
| 30% | KINGJOHN | 8 | The Life and Death of —, stage play by William Shakespeare first published in 1623 |
| 29% | NATO | 4 | International organisation formed in 1949 for purposes of collective security whose members include Canada and the UK |
| 29% | RIME | 4 | Frost formed by the freezing of water droplets in fog onto solid objects |
| 29% | OREO | 4 | Snack item split by Ross and Rachel in the pilot episode of "Friends" |
| 29% | RIME | 4 | Frost formed by the freezing of supercooled water droplets in fog onto solid objects |
| 29% | RHYMNEY | 7 | River in Wales forming the boundary between the historic counties of Glamorgan and Monmouthshire |
| 29% | TWOSISTERS | 10 | 1970 work by Gore Vidal subtitled A Novel in the Form of a Memoir |
| 29% | GANYMEDE | 8 | Youth in Greek mythology abducted by Zeus and made a cupbearer of the gods |
| 29% | VCR | 3 | The first commercial one of these was introduced by Ampex in 1956 and cost roughly $50,000 |
| 28% | ROLLTHEDICE | 11 | Take a chance, and how to form the sequence in each set of circled letters |
| 28% | AMAZONPRIME | 11 | Subscription service criticized by the Retail, Wholesale and Department Store Union after it began offering one-day shipping in 2019 |
| 28% | PERDONAME | 9 | Reggaeton song by the duo La Factoria and Eddy Lover that won the Urban Song of the Year in 2009 |
| 28% | CENTER | 6 | The Comic ___ of Pasadena, the store frequented by Sheldon, Raj, Howard, and Leonard in "The Big Bang Theory" |
| 28% | VEVO | 4 | Video music hosting group, formed by two of the "big three" record companies in the US |
| 28% | INDIAN | 6 | & 4D Large body of water bordered by Africa in the west and Australia in the east |
| 28% | ANTLERS | 7 | “I use ___ in all of my decorating” (lyric sung by Gaston, in “Beauty and the Beast”) |
| 28% | BLACK | 5 | "Man in ___," 1971 song written and recorded by Johnny Cash from album of the same name |