sort by Rank | Alpha
| Possible Meanings | Rank |
| National Reptile Amphibian Advisory | ** |
| Nevada Resident Agent Association | ** |
| Net Revenue per Adjusted Admission | ** |
| National Restaurant Association of America | ** |
| National Rail Access Agreement | ** |
| Natural Resources Animal Agriculture | ** |
| Nevada Registered Agent Association | * |
| National ROTC Alumni Association | * |
| National Renal Administrators Associations | * |
| National Revenue Agency Act | * |