| Contenance | composure |
| Contergan | thalidomide |
| Constanze | Constance |
| Content | content |
| Fontange | fontange |
| Kontinuante | reflex |
| Kontrebande | contraband |
| Montblanc | Mont Blanc |
| Fontäne | fountain jet |
| Tuntentante | fag hag |
| Antenne | aerial antenna feeler feeling |
| Codename | code name |
| Compliance | compliance |
| Poledance | pole dance |
| Congee | congee |
| contra | contra |
| Connacht | Connacht |
| Container | container |
| Kontranym | contranym |
| Mont Blanc | Mont Blanc |