| 100% | TSAR | 4 | The first one ruled 1547-84 |
| 52% | GEAR | 4 | The first one gets you going |
| 51% | HBOMB | 5 | The first one went off in 1952 |
| 51% | TEDTALK | 7 | The first one was delivered in 1984 |
| 51% | MONTH | 5 | January is the first one |
| 51% | SEER | 4 | Melampus was the first one |
| 51% | LASTING | 7 | Impressions like the first ones |
| 50% | WORD | 4 | The first one in this clue is "The" |
| 50% | KMART | 5 | The first one opened in Detroit in 1962 |
| 50% | THREEDMOVIE | 11 | "Bwana Devil" was the first one |
| 50% | COMSAT | 6 | Early Bird was the first one |
| 50% | TEE | 3 | Rounds begin on the first one |
| 49% | WORLDSFAIR | 10 | London had the first one in 1851 |
| 49% | IDOL | 4 | Kelly Clarkson was the first one, informally |
| 49% | SNL | 3 | George Carlin hosted the first one, briefly |
| 49% | KMART | 5 | The first one opened in Garden City, Mich., in 1962 |
| 49% | POPEMOBILE | 10 | The first one was a modified Ford D-Series truck |
| 48% | ILL | 3 | "___ be the first one to finish the assignment." |
| 48% | STATEPARK | 9 | Niagara Reservation was the first one in 1885 |
| 48% | BABYBOOMER | 10 | Bill Clinton was the first one elected president |
| 48% | PEACHBOWL | 9 | Louisiana State won the first one in 1968 |
| 48% | PLAN | 4 | ___ B is for when the first one fails |
| 48% | ATOMIC | 6 | The first letter in 84-Across |
| 48% | POLECAR | 7 | First one out on the track |
| 48% | CRUSADE | 7 | Pope Urban II launched the first one in 1095 |
| 48% | ZERO | 4 | Any digit in a googol after the first one |
| 47% | ZOO | 3 | Philadelphia had the first one in the U.S. (1874) |
| 47% | AKITA | 5 | Helen Keller brought the first one to the U.S. |
| 47% | SERIESE | 7 | F.D.R. purchased the first one of these bonds |
| 47% | RERUN | 5 | Any airing of a TV episode after the first one |