sort by Rank | Alpha
| Possible Meanings | Rank |
| Public Interest Scholars Program | *** |
| Pesticide Illness Surveillance Program | *** |
| PC)-intermediate S. pneumoniae | ** |
| PC-intermediate S. pneumoniae | ** |
| PCG intermediate S. pneumoniae | ** |
| PCG)-insensitive S. pneumoniae | ** |
| PCG)-insensitive Streptococcus pneumoniae | ** |
| PCG-insensitive S. pneumoniae | ** |
| PCs)-intermediate S. pneumoniae | ** |
| penicillin-insensitive S. pneumoniae | ** |
| penicillin-insensitive Streptococcus pneumoniae | ** |
| penicillin-intermediate S. pneumoniae | ** |
| predicted intraventricular systolic pressure | ** |
| penicillin-intermediate resistant S. pneumoniae | ** |
| Prices and Incomes Stabilisation Protocol | ** |
| Panasonic Industrial Sales Philippines | ** |
| Program on International Security Policy | ** |
| PCG)-insensitive strains of S. pneumoniae | ** |
| Penicillin Intermediate S Pneumoniae | ** |
| Participatory Irrigation Sector Project | ** |
| Prevention and Intervention Services Program | ** |
| Programme Implementation Support Project | ** |
| Parent Involvement Strategic Plan | ** |
| Pusat Informasi Spasial Provinsi | ** |
| Program Implementation Support Project | ** |
| Provincial Integration Support Program | ** |
| Pangkor Island Survivor Package | * |
| Pastoralist Integrated Support Programme | * |
| Put in Subject Position | * |
| Policy for the Information Security Program | * |
| Programme on International Security Policy | * |
| Preliminary Individual Service Plan | * |
| Performance Indicator and Standards Project | * |
| Polar Ice Sheet Program | * |
| Philadelphia Internet Service Providers | * |
| Pitcher Irrigation Systems Pages | * |
| Portland Internet Service Providers | * |
| Pronet Internet Service Provider | * |