| 100% | TRIASSIC | 8 | Geological period between the Permian and Jurassic |
| 65% | MESOLITHIC | 10 | Geological period between the Palaeolithic and Neolithic |
| 47% | STUART | 6 | English period between the Georgian and Tudor eras |
| 46% | TWILIGHT | 8 | The period between day and night |
| 45% | SILURIAN | 8 | Geologic period between the Ordovician and Devonian periods of the Palaeozoic era |
| 44% | MORNING | 7 | The period of time between midnight and noon |
| 39% | PTERODACTYL | 11 | Extinct flying reptile of the late Jurassic period with a long slender head and neck |
| 38% | AGE | 3 | Period between birth and death |
| 38% | RAMADAN | 7 | Period between Shaban and Shawwal |
| 38% | TIMELAG | 7 | Period between cause and effect |
| 38% | OMER | 4 | Period between Passover and Shavuot |
| 38% | GESTATION | 9 | Period between conception and birth |
| 38% | DAYTIME | 7 | Period between dawn and dusk |
| 38% | NIGHT | 5 | Period between sunset and sunrise |
| 38% | NIGHT | 5 | Period between bedtime and morning |
| 38% | DAYTIMES | 8 | Periods between sunrise and sunset |
| 37% | PANGEA | 6 | The Permian period's largest supercontinent |
| 37% | BIENNIA | 7 | Periods between Winter and Summer Olympics |
| 37% | SEA | 3 | Between the devil and the deep blue ___ |
| 37% | DEEP | 4 | Between the devil and the ___ blue sea |
| 37% | MIDSEASON | 9 | Between the premiere and the finale, say |
| 37% | TEENS | 5 | Between the ages of 12 and 20 |
| 36% | TVTIME | 6 | Period between homework and dinner, for some kids |
| 36% | NEOGENE | 7 | Geological period, includes Miocene and Pliocene |
| 36% | LENT | 4 | Period between Mardi Gras and Easter |
| 35% | COELOM | 6 | Cavity between the body wall and intestines |
| 35% | ERIE | 4 | Lake between the United States and Canada |
| 35% | STU | 3 | Nickname between the letters "R" and "V" |
| 35% | TRIASSIC | 8 | Period that preceded the Jurassic Period |
| 35% | SINAI | 5 | Peninsula between the Red sea and Mediterranean sea |