| 100% | EOCENE | 6 | Epoch in the Cenozoic Era |
| 58% | NEOGENE | 7 | Part of the Cenozoic era |
| 58% | TERTIARY | 8 | Period of the Cenozoic Era |
| 58% | NEOGENE | 7 | Period of the Cenozoic Era |
| 53% | TODAY | 5 | In the present era |
| 52% | SERF | 4 | Worker in the feudal era |
| 49% | FAB | 3 | Terrific, in the Beatles Era |
| 49% | AGOGO | 5 | Galore, in the disco era |
| 49% | AMMO | 4 | Pies, in the silent era |
| 48% | ZOIC | 4 | Suffix in the names of many eras |
| 48% | CAMELOT | 7 | The Kennedy Era in Washington |
| 47% | INCA | 4 | South American civilization in the pre-Columbian era |
| 47% | REOPEN | 6 | Hot-button verb in the COVID-19 era |
| 45% | AGE | 3 | The Gilded ___ (prosperous era in late-1800s America) |
| 45% | GENXER | 6 | Person born in the Disco Era |
| 45% | SPEAKEASY | 9 | Illegal bar in the Prohibition era |
| 45% | MEESE | 5 | Attorney general in the Reagan era |
| 44% | EPA | 3 | Organization launched in the Nixon era (abbr.) |
| 44% | ARA | 3 | The Era of ___ (famous period in Notre Dame football history) |
| 44% | DISSIDENT | 9 | Andrei Sakharov in the Soviet era, e.g. |
| 43% | FAD | 3 | It goes in one era and out the other |
| 43% | FAD | 3 | It's in one era and out the other |
| 42% | LAPEL | 5 | It went wide in the disco era |
| 42% | SPACEAGE | 8 | Era that began in the late 1950s |
| 42% | MANTOVANI | 9 | Annunzio Paolo —, Venice-born arranger-conductor popular in the post-war era in Britain |
| 42% | COMMIE | 6 | Person of interest in the McCarthy era, slangily |
| 42% | SKYPEDATES | 10 | Many social commitments, in the coronavirus era |
| 41% | PLEISTOCENE | 11 | First epoch of the Quaternary period in geological time |
| 41% | THEFOURWINDS | 12 | Novel by 29-Across set in the Great Plains during the Dust Bowl era (3 wds.) |
| 40% | EOCENE | 6 | Second epoch of the Palaeogene period in the geologic timescale |