| sector | secteur |
| secular | profane |
| Secular institute | Institut séculier |
| Secular Jewish culture | Civilisation hébraïque |
| Secular parallax | Parallaxe seculaire |
| Secular state | État séculier |
| secularism | libre pensée |
| secularity | laïcité |
| secularize | séculariser |
| Securable | Erlangen |
| secure | préserver |
| Secure copy | Secure copy |
| Secure Digital card | Carte SD |
| Secure Real-time Transport Protocol | Secure Real-time Transport Protocol |
| Secure with chains | Assujétir |
| secured | bien fermé |
| securely | fermement |
| securing | assurance |
| Securitas | Securitas AB |
| Securitas AB | Securitas AB |
| Securitate | Securitate |
| securities | titres |
| security | obligation |
| Security Account Manager | Security Account Manager |
| Security Accounts Manager | Security Account Manager |
| Security and Prosperity Partnership of North America | Partenariat pour la sécurité et la prospérité |
| security check | contrôle de sécurité |
| Security Council backs ceasefire in Israel-Lebanon conflict | Le Conseil de sécurité approuve le cessez-le-feu au Liban |
| security deposit | caution |
| security guard | garde chargé de la sécurité |
| Security Intelligence Review Committee | Comité de surveillance des activités de reseignement de sécurité |
| security measure | mesure de sécurité |
| security officer | garde chargé de la sécurité |
| security reason | raisons de sécurité |
| security risk | risque pour la sécurité |
| Security Service | service de sécurité |
| Security Service of Ukraine | Sluzhba Bezpeky Ukrayiny |
| security system | système de sécurité |
| security theater | comédie sécuritaire |
| Security-Enhanced Linux | SELinux |
| Sed festival | Fête-Sed |
| Seda | Soie |
| sedan | berline |
