 |
| Subject | English | Thesaurus |
| ed., abbr. | Supplementary Education Program | SEP |
| abbr., law | Supplementary Security Income Program | SSI |
| IT, abbr. | UnStructured Supplementary Services | USSD (GSM, Mobile-Systems) |
| abbr., telecom. | Unstructured Supplementary Services Data | USSD (Технология передачи неструктурированных данных в GSM сетях Shmyg) |
| comp., net., abbr. | Unstructured Supplementary Services Data | USSD |