sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Operational Programme Industry and Enterprise | **** |
| Office of Planning and Institutional Effectiveness | *** |
| Open Portal Interface Environment | *** |
| Office of Planning Institutional Effectiveness | *** |
| Open Palm Integrated Environment | *** |
| Office of Public Information and Education | ** |
| Onetime Passwords in Everything | ** |
| Outstanding Person in Education | ** |
| Office for the Promotion of International Exchange | ** |
| Office of Public Information Education | ** |
| Ohio Program for Intensive English | * |
| Oxygen Profiling Infrared Experiment | * |
| Ohio Program in Intensive English | * |
| Operational Programme Industry and Entreprise | * |