sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Rapid Response Unit | *** |
| Relief and Rehabilitation Unit | *** |
| refluxing renal units | ** |
| regional relative uptake | ** |
| relative regional uptake | ** |
| Respiration related units | ** |
| respiration-related units | ** |
| respiratory related units | ** |
| Respiratory-related unit | ** |
| Road Rescue Unit | ** |
| Regional Rehabilitation Unit | ** |
| Road Research Unit | ** |
| respiration-related neurons | ** |
| Rapid Response Units | ** |
| Rapid Reaction Units | ** |
| Regulation Review Unit | ** |
| Request Response Unit | * |
| Research Recertify Upgrade | * |
| Returnee Reintegration Unit | * |
| Recreation Resource Unit | * |
| Rodo Rentai Undo | * |
| Recertify and Upgrade | * |
| Rehabilitation Review Unit | * |
| Risk Reduction Units | * |
| Renewable Resources University | * |
| recovery recycling units | * |
| Requisition Reconciliation Unit | * |
| Rose is Rose Unitedmed | * |