| Acronym | Meaning |
| SOE | Secret Of Evermore - Special Operations Executive (WWII British Organization) - State Of Emissions (EW) |
| NARAL | National Abortion Rights Action League |
| OTA | Office Of Technology Assessment -Orthodontic Technicians Association |
| RO | Romanian Language (ISO 639-1 Code) |
| DEFCON | Defence Readiness Condition |
| EP | Electronic Protection |
| ECBR | European Coalition For Biomedical Research |
| SARA | Southeastern Association For Research In Astronomy - Scientific Atlanta Resident Application - Scottish Amateur Rowing Association - Southern African Railway Association - State Administration For Religious Affairs |
| FPS | Fire Prevention System - First Person Shooter (computer/video Games) |
| RCCO | Royal Canadian College Of Organists |