sort by Rank | Alpha
| Possible Meanings | Rank |
| Right ventricular pre-ejection period | ** |
| Regional Program for Enterprise | ** |
| rabies postexposure prophylaxis treatment | ** |
| Rural Poverty and Environment Program | ** |
| right ventricular preejection period | ** |
| Revenue per Equity Partner | ** |
| Research Project on Economic Planning | ** |
| Register of Planned Emergency Producers | * |
| Rape Prevention and Education Program | * |
| Regional Planning Employment Policies | * |
| Roseville Parent Education Preschool | * |
| Rural Primary Education Project | * |