| 100% | ABA | 3 | Org. that merged with the 41-Across in the 1970s |
| 68% | AFL | 3 | Org. that merged with the CIO in 1955 |
| 67% | WWE | 3 | Org. that merged with the U.F.C. in 2023 |
| 59% | AFOFL | 5 | Org. that merged with the CIO |
| 56% | MAUDE | 5 | 1970s sitcom that ended with the title character in Congress |
| 56% | CIO | 3 | Union that merged with the AFL in 1955 |
| 56% | AFL | 3 | Union that merged with the CIO in 1955 |
| 55% | AFL | 3 | Union that merged with the CIO in 1955 (Abbr.) |
| 54% | TCI | 3 | Cable co. that merged with A.T. & T. in the nineties |
| 51% | ACLU | 4 | Rights org. that RBG worked for in the 1970s |
| 51% | TSA | 3 | Org. with jurisdiction that's up in the air |
| 51% | LEITH | 5 | Port on the Firth of Forth that merged with Edinburgh in 1920 |
| 51% | PLAYERMANAGER | 13 | Role for 43-Across with the Cleveland Indians in the 1970s (Hyph.) |
| 48% | IRS | 3 | Org. often impersonated in calls that end with, "Just send us the overdue amount in gift cards." |
| 47% | SAG | 3 | Org. that merged with AFTRA |
| 47% | PLACETHEMINTHECORNERS | 21 | What to do with the items referenced in 41-Across |
| 47% | BATTLEOF | 8 | With 39-Across, 2017 Emma Stone film set in the 1970s: 2 wds. |
| 46% | THEEAGLES | 9 | Rock band founded by Glenn Frey, Don Henley, Bernie Leadon, and Randy Meisner that had hits in the 1970s with 15-Across, 28-Across, and 36-Across (2 wds.) |
| 46% | CALF | 4 | Muscle that merges with the Achilles tendon |
| 46% | ETS | 3 | Org. that partners with the College Board |
| 46% | PAC | 3 | Org. that registers with the Federal Election Commission |
| 45% | THETORTURED | 11 | With 35-Across, 2024 album that led to a new era in the Eras Tour |
| 45% | ITCHY | 5 | Mouse that battles with the cat Scratchy in "The Simpsons" shorts |
| 45% | RINEHART | 8 | Publisher that merged with Holt and Winston in 1960 |
| 45% | BEAST | 5 | The Daily ___ (website that merged with Newsweek) |
| 45% | RCTS | 4 | Org. with 3000 members and a monthly magazine, formed in the UK in '28, that's for those interested in locomotives |
| 45% | BRA | 3 | Garment that was burned by some feminists in the 1970s |
| 44% | GOP | 3 | Org. that's in the red? |
| 44% | NASCAR | 6 | Org. that's in the pits? |
| 44% | COLIN | 5 | With 41-Across, he became the 49ers' starting quarterback in 2012 |