| 100% | SWING | 5 | With 63-Down, period following the Jazz Age |
| 50% | IRONAGE | 7 | Prehistoric period following the Bronze Age |
| 44% | TIME | 4 | With 63-Across, what (in abbreviated form) has been added to the long Down answers |
| 43% | AGEOFREASON | 11 | Period following the Renaissance |
| 43% | BRONZEAGE | 9 | Period following the Neolithic |
| 42% | LATESUMMER | 10 | Period following the dog days |
| 42% | POSTNATAL | 9 | Period following the birth of baby |
| 41% | NEOLITHIC | 9 | With 40-Down, late Stone Age period |
| 40% | ERA | 3 | Big band ___ (time span after the Jazz Age) |
| 40% | FITZGERALD | 10 | "Tales of the Jazz Age" writer |
| 40% | MAIDEN | 6 | With 13-Down, disastrous event for the 63-Across |
| 39% | ABIDE | 5 | Follow the rules with by |
| 39% | DARK | 4 | With 12 Across, period that followed the fall of the Roman Empire |
| 39% | DAVISLOVE | 9 | With 63-Down, 1997 P.G.A. champ who captained the 2012 U.S. Ryder Cup team |
| 38% | ROMANA | 6 | Pax ___ (200-year period following the ascension of Augustus) |
| 38% | COHEN | 5 | Leonard ___, musician who received critical acclaim at the age of 33, following his debut album with Columbia Records |
| 38% | BRONZE | 6 | Age following the Stone Age |
| 38% | PRO | 3 | With 63-Across, for the time being |
| 37% | EOLITHIC | 8 | Period at the beginning of the Stone Age |
| 37% | SINGER | 6 | The Jazz __ was the first movie with sound |
| 37% | GOLDENAGE | 9 | Period followed by the silver and bronze eras |
| 37% | ILL | 3 | Down with the flu |
| 37% | SICK | 4 | Down with the flu |
| 37% | SMITH | 5 | Jazz Age singer Bessie, aka “Empress of the Blues” |
| 37% | ARCO | 4 | With 63-Across, where the Kings play in Sacramento |
| 36% | ILL | 3 | Down with the 59-Down |
| 36% | ILL | 3 | Down with the flu, say |
| 36% | SICK | 4 | Down with the flu, say |
| 36% | ILL | 3 | Down with the flu, perhaps |
| 36% | ILL | 3 | Down with the flu, maybe |