| City | city center city centre downtown inner city |
| Citymaut | road pricing |
| Citole | citole |
| Citrat | citrate |
| Citrin | citrine |
| Calcit | calcite |
| Tacitus | Tacitus |
| Boracit | boracite |
| Citronat | succade |
| Intercity | express train |
| Kamacit | kamacite |
| Celebrity | celebrity |
| Community | community |
| Dateityp | file type |
| Felicitas | Felicity |
| Solicitor | solicitor |
| Austerity | austerity |
| Calcitonin | calcitonin |
| Calcitriol | calcitriol |
| Netcitizen | netizen |