- comitatus
- comitialis
- commasculatio
- comme il faut
- commedla dell'arte
- commensalis
- commensalismus
- commentatio
- comminutivus
- commissura
- commissuralis
- commissurolysis
- commissurotomia
- commitment
- commode
- commodification
- commodo
- commodus
- common law
- common sense
- commotio cerebri
- communicans
- communicare est multum dare
- communication apprehension
- communication styles
- communicatus
- communio incidens
- communis
- communis consensus
- community relations
- commutabilis
- commutatio
- compact disc
- compago
- company
- comparabilis
- comparans
- comparatio
- compassionate
- compatibilitas
- compensans
- compensatio
- compensational aids
- compensatorius
- competitive intelligence (zkratka CI)
- compilatio
- completorium
- complexio boni et mali
- complexus
- complexus sponsi