sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Parents United for Responsible Education | **** |
| Privilege Underwriters Reciprocal Exchange | *** |
| Promoting Unst Renewable Energy | *** |
| Portsmouth University Radio Experience | ** |
| Pittsburgh Urban Race Extreme | ** |
| Power Up Renewable Energy | ** |
| Program Understanding and Re | ** |
| Portable Universal Runtime Executive | ** |
| Pesticides Use Reduction in Europe | ** |
| Public Urban Ritual Experiment | ** |
| Pesticide Use Reduction in Europe | ** |
| Psychiatric Utilization Review and Evaluation Project | ** |
| Putnam Underground Railroad Education | ** |
| Physicians United Reciprocal Exchange | ** |
| Purdue University Research Expertise | ** |
| Programme for Upgrading Road Efficiency | ** |
| Palaeoanthropology Unit for Research and Exploration | ** |
| People Undergoing Real Experiences | ** |
| Power University of Real Estate | ** |
| Pacific Union Real Estate | ** |
| People Using Resources Efficiently | ** |
| Prediction of Unassigned REgions | * |
| People United to Restore the Environment | * |
| Pre Undergraduate Research Experience | * |
| Public Utilities Resources and Education | * |
| Personal Use Reservation Exchange | * |
| Putnam Underground Railroad Educational | * |
| Patterning by UV laser material Removal | * |
| Perfect Untainted Resolve Everyday | * |
| Protection of groundwater REsources at industriallycontaminated sites | * |