sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| self-estimated obstruction score | ** |
| Search Engine Optimisation Service | ** |
| Solid Electrolyte Oxygen Separator | * |
| Synchronous Earth Observation Satellite | * |
| Stationary Earth Orbit Satellite | * |
| Solid Electrolyte Oxygen Separation | * |
| School for Earth and Ocean Science | * |