| conciliativo | conciliatory |
| conciliatorio | conciliatory |
| conciliazione | reconciliation |
| concilio | council |
| Concilio di Basilea | Council of Basel |
| Concilio di Calcedonia | Council of Chalcedon |
| Concilio di Costantinopoli I | First Council of Constantinople |
| Concilio di Costantinopoli II | Second Council of Constantinople |
| Concilio di Costantinopoli III | Third Council of Constantinople |
| Concilio di Costantinopoli IV | Fourth Council of Constantinople |
| Concilio di Costantinopoli V | Fifth Council of Constantinople |
| Concilio di Costanza | Council of Constance |
| Concilio di Efeso | Council of Ephesus |
| Concilio di Elvira | Synod of Elvira |
| Concilio di Gerusalemme | Council of Jerusalem |
| Concilio di Lione I | First Council of Lyon |
| Concilio di Lione II | Second Council of Lyon |
| Concilio di Nicea I | First Council of Nicaea |
| Concilio di Nicea II | Second Council of Nicaea |
| Concilio di Pisa | Council of Pisa |
| Concilio di Siena | Council of Siena |
| Concilio di Toledo | Councils of Toledo |
| Concilio di Trento | Council of Trent |
| Concilio di Vienne | Council of Vienne |
| Concilio ecumenico | Ecumenical council |
| Concilio in Trullo | Quinisext Council |
| Concilio Lateranense I | First Council of the Lateran |
| Concilio Lateranense II | Second Council of the Lateran |
| Concilio Lateranense III | Third Council of the Lateran |
| Concilio Lateranense IV | Fourth Council of the Lateran |
| Concilio Lateranense V | Fifth Council of the Lateran |
| Concilio Vaticano I | First Vatican Council |
| Concilio Vaticano II | Second Vatican Council |
| Concilium plebis | Plebeian Council |
| concimare | fertilize |
| concimazione | fertilization |
| concime | dung |
| concime animale | animal manure |
| concime liquido | liquid manure |
| concime organico | muck |
| concionare | rant |
| concisamente | shortly |
| concisione | curtness |
| conciso | condensed |
| conclave | conclave |
| conclavista | conclavist |
| concludente | convincing |
| concludere | wrap up |
| concludersi | wind up |
