| Kasimovium | Kasimovian |
| Kasimir | Casimir |
| Patrimonium | patrimony |
| Callovium | Callovian |
| Moskovium | Moscovian |
| Moscovium | moscovium |
| Kadmium | cadmium |
| Kambrium | Cambrian |
| Ammonium | ammonium |
| Harmonium | harmonium reed organ |
| Kambium | cambium |
| Kashmiri | Kashmiri |
| Kasino | casino |
| Asimina | pawpaw |
| Casimir | Casimir |
| Nasiräertum | Nazaritism |
| Präsidium | presidium |
| Zäsium | caesium |
| Basilikum | basil |
| Basionym | basionym basinym |