Similar to connubium
- connubialis – sexual
- consilium – assembly, consultation, council, deliberation, judgment, measure as in plan, plan, purpose, resolution, suggestion, wisdom
- concilium – conciliation, council
- contagium – contact, contagion, infection, touching
- conjugium – wedlock
- contubernium – band of armed retainers
- conticinium – evening, first part of the night