| Chiromant | cheiromantist chiromancer palmist palmister |
| Chiromantie | chiromancy palmistry |
| Chromat | chromate |
| charmant | charming |
| Chitosan | chitosan |
| Chromit | chromite |
| Achromat | achromat |
| Nekromant | necromancer |
| Chigong | qigong |
| Chianti | Chianti |
| Chiasma | chiasm crossing over |
| Chiffrat | ciphertext cyphertext |
| Chimära | Chimera |
| Chimäre | Chimera |
| Chinolin | quinoline |
| Chinolon | quinolone |
| chiral | chiral |
| Hiragana | hiragana |
| Hirnhaut | meninx |
| Ironman | ironman |