| Antwoord | Lengte | |
|---|---|---|
| 3 letters | ||
| eon | 3 | |
| 4 letters | ||
| jura | 4 | |
| lias | 4 | |
| perm | 4 | |
| | ||
| 5 letters | ||
| trias | 5 | |
| ystyd | 5 | |
| krijt | 5 | |
| 6 letters | ||
| eemien | 6 | |
| siluur | 6 | |
| devoon | 6 | |
| eoceen | 6 | |
| 7 letters | ||
| azoïcum | 7 | |
| carboon | 7 | |
| mioceen | 7 | |
| tertair | 7 | |
| ijstijd | 7 | |
| 8 letters | ||
| cambrium | 8 | |
| plioceen | 8 | |
| quartair | 8 | |
| holoceen | 8 | |
| kwartair | 8 | |
| | ||
| 9 letters | ||
| oligoceen | 9 | |
| 10 letters | ||
| ijsperiode | 10 | |
| 11 letters | ||
| pleistoceen | 11 | |