sort by Rank | Alpha
| Possible Meanings | Rank |
| Regional Production Fund | **** |
| Research Promotion Fund | *** |
| Rwandese Patriotic Front | *** |
| Rwanda Patriotic Front | *** |
| Research Project Files | *** |
| Reformatorische Politieke Federatie | *** |
| Role Playing Football | *** |
| Regional Planning Forum | *** |
| Registered Professional Foresters | *** |
| Rational Polynomial Functions | *** |
| Rich Pixel Format | *** |
| Regional Pooled Fund | *** |
| Recovery Plan File | *** |
| Richard Phillips Feynman | *** |
| Resuscitation Promoting Factor | *** |
| Research Promotion Foundation | *** |
| Richard P Feynman | *** |
| Rotary Pressure Filter | *** |
| Regional Programming Framework | *** |
| Rabbit Proof Fence | *** |
| diuresis/renal plasma flow | ** |
| rabbit Peritoneal fluid | ** |
| rabbit plasma fibrinogen | ** |
| radiation protection factor | ** |
| radiation pulmonary fibrosis | ** |
| rapid permeability factor | ** |
| rat pulmonary fibroblasts | ** |
| reductase promoter factor | ** |
| Relative protective factors | ** |
| Renaissance Pleasure Faire | ** |
| renal papillary fibroblast | ** |
| renal perfusate flow | ** |
| renal perfusion flow | ** |
| renal plama flow | ** |
| reverse plaque formation | ** |
| reversed pulsatile flow | ** |
| rigid plate fixation | ** |
| role-physical functioning | ** |
| rotated palatal flap | ** |
| Regional Procurator Fiscal | ** |
| Refined Petroleum Fund | ** |
| rate of pacemaker firing | ** |
| Rating of Psychosocial Function | ** |
| Readability and Processability Form | ** |
| renal perfusate flow rate | ** |
| renal perfusate flow rates | ** |
| renal plasma flow rate | ** |
| renal plasma flow rates | ** |
| Rajarata Personality Foundation | ** |
| Regional Protection Fund | ** |
| Recursive Proportional Feedback | ** |
| Regulation of Pathogenicity Factors | ** |
| Reformatorian Political Federation | ** |
| Royal Project Foundation | ** |
| nephron plasma flow | ** |
| nephron plasma flow | ** |
| Reliance Pharma Fund | ** |
| Research Paper File | ** |
| Rwandan Popular Front | ** |
| rate , nephron plasma flow | ** |
| Revolutionary Peoples Front | ** |
| Replica Props Forum | ** |
| Radio Position Finding | ** |
| Real People Fiction | ** |
| retirement plan fundamentals | ** |
| Righteous Persons Foundation | ** |
| Rapid Prototyping Facility | ** |
| Reformed Political Federation | ** |
| Reforming Political Federation | ** |
| Regional Pharmaceutical Forum | ** |
| Rehabilitation Policy Framework | ** |
| Renfrewshire Partnership Forum | ** |
| Railway Pension Fund | ** |
| Regional Partnership Fund | ** |
| Role Playing Fiction | ** |
| Regional Partnerships Fund | ** |
| Rigid Polyurethane Foam | ** |
| Raster Pattern Fill | ** |
| Rwandese Popular Front | ** |
| Rapid Prototyping Firmware | ** |
| Remote Print Facility | ** |
| Research and Practice Fundamentals | ** |
| Raymond Proffitt Foundation | * |
| Relative Potency Factor | * |
| Rigid Polymer Foam | * |
| Rwandanese Patriotic Front | * |
| Ritardanti Propagazione Fiamma | * |
| Road Pavements Forum | * |
| Recycling Paper Facility | * |
| Regent Park Focus | * |
| Reference Planning Facility | * |
| Repeat Performance Fashion | * |
| Resource Planning Framework | * |
| Revised Policy Formulations | * |
| Reception in Progress Flag | * |
| resettlement policy framework | * |
| Role for the Profession | * |
| Region Peaking Factor | * |
| Regular Pink Fibered | * |
| Receiving Problem Form | * |
| Raytraced Pictures by Florian | * |
| Reclamation of Prime Farmland | * |
| Reconstruction of Prime Farmland | * |
| Reduction of the Peak Flow | * |
| Regional Planetary Facility | * |
| Representative Portion of the Field | * |
| Research and Productions on in Field | * |
| Residential or Public Facility | * |
| Revegetation of Prime Farmland | * |
| Rich Plan of Florida | * |
| Roll Protection Framework | * |
| Roots Peat Farm | * |
| Rue Pierre Filliat | * |