sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Pneumococcal Surface Protein A | **** |
| Proceedings of Symposia in Applied | **** |
| Paint Shop Pro Album | **** |
| Paddington Special Policy Area | *** |
| Private Sector Public Affairs | *** |
| periodic sinusoid paroxysmal activity | ** |
| photoreceptor survival-promoting activity | ** |
| pretectal stimulation produced analgesia | ** |
| Per School per Annum | ** |
| Philadelphia Society for Promoting Agriculture | ** |
| Philippine Society for the Protection of Animals | ** |
| Puget Sound Pilots Association | ** |
| Pet Safety Protection Act | ** |
| Perak Society of Performing Arts | ** |
| Port Said Port Authority | ** |
| Pacific School of the Performing Arts | ** |
| Private Sector and Public Affairs | ** |
| Patient Specific Prosthesis Analysis | ** |
| Pet Safety and Protection Act | ** |
| Portable Seismic Property Analyzer | ** |
| Pennsylvania Scholastic Press Association | ** |
| Policy Study Publication and Advocacy | ** |
| Prospective Study of Promotion in Academia | ** |
| Private Service Provider Advisory | ** |
| Pet Services and Products Association | ** |
| Planning Special Protection Areas | ** |
| Protection from Sexual Predators Act | ** |
| Pennsylvania School of the Performing Arts | * |
| Philippine Swine Producers Association | * |
| Post Sale Price Adjustments | * |
| Peninsula School of Performing Arts | * |
| Production Sharing Principles Agreement | * |
| Professional Ski Patrollers Association | * |
| Public Safety Preservation Act | * |