| Subject | English | Croatian |
| transp., mil., grnd.forc., el. | control-command and signalling subsystem | podsustav upravljanja, nadzora i signalizacije |
| transp., mil., grnd.forc., tech. | "EC" declaration of verification of the subsystem | izjava EZ-a o provjeri podsustava |
| transp., mil., grnd.forc., tech. | "rolling stock" subsystem | podsustavi željezničkih vozila |
| comp., MS | storage subsystem | spremišni podsustav (A stand-alone hardware appliance that hosts one or more storage devices (such as disk drives, tape drives, optical drives), and is peripheral to the server or servers that control access to it. Storage subsystems are used to create centralized data repositories, while freeing computing and storage resources on servers) |
| comp., MS | Subsystem for UNIX-Based Applications | Podsustav za UNIX programe (A Windows component that provides platform services for UNIX system-based applications) |