| Olenekium | Olenekian |
| Oleum | oleum |
| Aalenium | Aalenian |
| Plenum | plenum |
| Generikum | generic |
| Freemium | freemium |
| Langhium | Langhian |
| Oxonium | oxonium |
| Oxygenium | oxygen |
| Pentium | Pentium |
| Thanetium | Thanetian |
| Flerovium | flerovium |
| Kollegium | collegium |
| Lutetium | lutetium |
| Magnesium | magnesium |
| Ozeanarium | oceanarium |
| Polonium | polonium |
| Remedium | remedy |
| Rhenium | rhenium |
| Senium | senium |