sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Peoples Regional Opportunity Program | *** |
| Putney and Roehampton Organisation of Pensioners | *** |
| Professional Recyclers of Pa | *** |
| positive reinforcement opportunity project | *** |
| Purdue Research Opportunities Program | *** |
| Probationary Rental Occupancy Permit | ** |
| Public Recycling Officials of Pennsylvania | ** |
| Provincial Respiratory Outreach Program | ** |
| Professional Racing Outboard Performance | ** |
| Powys Rural Outreach Project | ** |
| Pilton Reach Out Project | ** |
| Public Relations Organization of the Philippines | ** |
| Participant Remote Operating Platform | ** |
| Putting Roofs Over People | ** |
| Preservation of the Rights of Prisoners | ** |
| Puerto Rican Organization Program | ** |
| Profiling and Record of Progress | ** |
| Public Recycling Officials of PA | ** |
| Planetary Rocket Ocean Platform | * |
| Performance Review for Operating Programs | * |