| Caloricum | phlogiston |
| Callovium | Callovian |
| Calcium | calcium |
| Canticum | canticle |
| Capsicum | capsicum |
| Californium | californium |
| Kalorie | calorie |
| kalorisch | caloric |
| Chlorit | chlorite |
| Chlorid | chloride |
| Oratorium | oratory |
| Emporium | emporium |
| Thorium | thorium |
| Tutorium | recitation |
| Ziborium | ciborium |
| Alarich | Alaric |
| Americium | americium |
| Calcit | calcite |
| Calimocho | calimocho |
| Callisto | Callisto |