sort by Rank | Alpha
| Possible Meanings | Rank |
| National Wetlands Action Plan | ** |
| National Wildlife Action Plan | * |
| North Waterloo Academic Press | * |
| National Watershed Assessment Program | * |
| National Watershed Assessment Project | * |
| Nuclear Weapons Archive Project | * |
| Nuclear Weapons Archiving Program | * |
| Nuclear Weapons Archiving Project | * |