| 100% | SILURIAN | 8 | Geologic period between the Ordovician and Devonian periods of the Palaeozoic era |
| 54% | DEVONIAN | 8 | Fourth period of the Palaeozoic era of geologic time |
| 54% | ORDOVICIAN | 10 | Second period of the Palaeozoic era of geologic time |
| 45% | PERMIAN | 7 | Last period of the Palaeozoic era in the geological timescale |
| 45% | PERMIAN | 7 | Last period of the Palaeozoic era in the geological time scale |
| 44% | STUART | 6 | English period between the Georgian and Tudor eras |
| 41% | MORNING | 7 | The period of time between midnight and noon |
| 39% | TERTIARY | 8 | Period of the Cenozoic Era |
| 39% | NEOGENE | 7 | Period of the Cenozoic Era |
| 38% | TRIASSIC | 8 | The first period of the Mesozoic Era |
| 37% | TRIASSIC | 8 | First period of the Mesozoic Era |
| 37% | EPOCH | 5 | Subdivision of the geologic time scale longer than an age and shorter than a period |
| 37% | ERAS | 4 | The Napoleonic and Victorian periods of history, for example |
| 37% | TRIASSIC | 8 | Geological period between the Permian and Jurassic |
| 37% | MESOLITHIC | 10 | Geological period between the Palaeolithic and Neolithic |
| 37% | REGENCY | 7 | ___ era, historical period known for the setting of "Bridgerton" and "Pride and Prejudice" |
| 36% | TERMINATOR | 10 | Boundary between the illuminated and darkened part of the moon, in astronomy |
| 36% | JURASSIC | 8 | Geologic period within the Mesozoic era |
| 36% | TUDOR | 5 | ___ era, historical period known for being the setting of "Anne Boleyn" and "Wolf Hall" |
| 35% | TUCSON | 6 | City between the east and west sections of Saguaro National Park |
| 35% | CAMARGUE | 8 | Region of southern France between the Mediterranean and the channels of the Grand and Petit Rhone |
| 34% | MRSAMERICA | 10 | Cate Blanchett plays Phyllis Schlafly in this 2020 Hulu series that explores the battle between supporters and detractors of the ERA |
| 34% | NORTHSEA | 8 | Body of water between the UK and Norway |
| 34% | LOIN | 4 | Cut of meat between the blade and leg |
| 34% | NORTHSEA | 8 | Body of water between the UK and Scandinavia |
| 34% | SUBSOIL | 7 | Layer of ground between the topsoil and bedrock |
| 34% | TWILIGHT | 8 | The period between day and night |
| 34% | RAGNAROK | 8 | Ultimate battle between the gods and the forces of evil in Scandinavian mythology |
| 34% | WEALD | 5 | The —, region of southeast England between the North and South Downs |
| 34% | MALEBONDING | 11 | It happens between buds, and a feature of the starred answers |