| Termen/ Term | Nr. apariții/ No. occurrences |
| Conservatorul de Muzică | 1 |
| Consiliul Municipal | 2 |
| Consiliul de Miniștri | 3 |
| Constans | 285 |
| Constans Caesar | 1 |
| Constans I | 53 |
| Constans I sau Constantinus II | 1 |
| Constans II | 22 |
| Constans II - *Constantin IV | 4 |
| Constans II - *Constantin IV - *Heraclius | 7 |
| Constans sau Constantius | 3 |
| Constans sau Constantius II ? | 1 |
| Constant | 1 |
| Constanța | 11 |
| Constantin | 2 |
| Constantin Brâncoveanu | 1 |
| Constantin cel Mare | 1 |
| Constantin IV | 1 |
| Constantin IX Monomachos | 337 |
| Constantin IX Monomachos - Constantin X Ducas | 9 |
| Constantin V - *Leon IV- *Leon III | 1 |
| Constantin VI - *Irina | 1 |
| Constantin VII | 14 |
| Constantin VII - *Roman II | 73 |
| Constantin VII - Roman II | 2 |
| Constantin VIII | 46 |
| Constantin VIII - Vasile II | 1 |
| Constantin X Ducas | 196 |
| Constantin X Ducas - Evdochia | 22 |
| Constantin X Ducas - Roman IV | 9 |
| Constantinopol | 9 |
| Constantinopolis | 93 |
| Constantinus | 8 |
| Constantinus I | 915 |
| Constantinus I ? | 4 |
| Constantinus I Postum | 23 |
| Constantinus II | 423 |
| Constantinus II-*Roman II | 1 |
| Constantinus IV | 135 |
| Constantius | 34 |
| Constantius ? | 1 |
| Constantius Chlorus | 20 |
| Constantius Gallus | 448 |
| Constantius Gallus ? | 1 |
| Constantius Gallus sau Iulianus | 1 |
| Constantius I | 51 |
| Constantius II | 5,669 |
| Constantius II ? | 7 |
| Constantius II Caesar | 3 |
| Constantius II sau Constans | 1 |