sort by Rank | Alpha
| Possible Meanings | Rank |
| National Strategy for Environmental Protection | *** |
| National Security Educational Program | *** |
| National Security Emergency Preparedness | *** |
| Network Security and Electronic Payment | *** |
| NATIONAL SECURITY AND EMERGENCY PREPAREDNESS | *** |
| National Security Exchange Program | *** |
| National Strategy for Environment Protection | ** |
| Needle and Syringe Exchange Program | ** |
| Needle and Syringe Exchange Programs | ** |
| National Security Education Programs | ** |
| Needle and Syringe Exchange Programmes | ** |
| National Student Exchange Program | ** |
| Needle Syringe Exchange Programmes | ** |
| National Security Emergency Planning | ** |
| National Standard Examination in Physics | ** |
| Needle Syringe Exchange Programs | ** |
| Norsk Senter for Elektronisk Pasientjournal | * |
| Network for Senior Executives in Pharmaceuticals | * |
| National Scrapie Eradication Program | * |
| National Society for Professional | * |
| National Security Emergency Provisioning | * |
| NAITONAL SECURITY EMERGENCY PREPAREDNESS | * |
| North of Scotland European Partnership | * |