sort by Rank | Alpha
| Possible Meanings | Rank |
| Nd Doped Fiber Amplifier | ** |
| Newfoundland Department of Fisheries and Aquaculture | ** |
| National Dairy Farmers Association | ** |
| National Department of Foreign Affairs | ** |
| North Dakota Family Alliance | ** |
| Niobium Doped Fiber Amplifier | ** |
| National Drama Festivals Association | ** |
| Nebbi District Farmers Association | ** |
| Nonlinear Dynamical Factor Analysis | ** |
| National Derryberry Family Association | ** |
| Nuclear Decommissioning Funding Account | ** |
| Non Deterministic Finite Acceptor | * |
| Northside Democracy for America | * |
| National Directorate of Fisheries and Aquaculture | * |
| Neodymium Doped Fiber Amplifier | * |
| Non Differential Fault Analysis | * |
| National Dietary Foods Association | * |
| Neuro Developmental Functional Approach | * |
| Nyimba District Farmers Association | * |
| Notre Dame Faculty and Administrators | * |
| National Drinking Fountain Association | * |