| Subject | English | French |
| IT | common command language | langage de commande commun |
| ed. | Common European Framework of Reference for Languages | Cadre européen commun de référence pour les langues: apprendre, enseigner, évaluer |
| gen. | Common European Framework of Reference for Languages | Cadre européen commun de référence pour les langues |
| ed. | Common European Framework of Reference for Languages: Learning, Teaching, Assessment | Cadre européen commun de référence pour les langues: apprendre, enseigner, évaluer |
| gen. | Common European Framework of Reference for Languages: Learning, Teaching, Assessment | Cadre européen commun de référence pour les langues |
| social.sc. | common language | langue véhiculaire |
| socioling. | common language | langue standard |
| IT, transp. | common language | langage commun |
| socioling. | common language | langue d'usage |
| gen. | common language | langue commune |
| el. | common language location identifier | identificateur d'emplacement en langage commun |
| ed. | Common Language Resources and Technology Infrastructure as a European Research Infrastructure Consortium | infrastructure commune en matière de ressources linguistiques et de technologie en tant que consortium pour une infrastructure européenne de recherche |
| comp., MS | common language runtime host | application hôte Common Language Runtime (An unmanaged application that uses a set of APIs, called the hosting interfaces, to integrate managed code into the application. Common language runtime hosts often require a high degree of customization over the runtime that is loaded into the process) |
| comp., MS | Common Language Runtime support | Prise en charge du Common Language Runtime (The engine at the core of managed code execution. The runtime supplies managed code with services such as cross-language integration, code access security, object lifetime management, and debugging and profiling support) |
| commun. | common location language identifier | identificateur d'emplacement en langage commun |
| IT | common machine language | langage-machine commun |
| automat. | common machine language | langage de machine commun |
| IT | common optical language | langage optique commun |
| gen. | common programming language | langage commun de programmation |
| work.fl., IT | common switching language Thesaurus | language servant de passerelle commune |
| gen. | common technical language | jargon technique |
| law | Declaration No 30 on the use of languages in the field of the common foreign and security policy | Déclaration n° 30 relative au régime linguistique dans le domaine de la politique étrangère et de sécurité commune |