sort by Rank | Alpha
| Possible Meanings | Rank |
| Under the Auspices | ****** |
| University of Alaska | ****** |
| Under the Agreement | ****** |
| Universidad Nacional Autónoma | ****** |
| Union of North America | ****** |
| University of Arizona | ****** |
| Univ of Alabama | ****** |
| University of Alabama | ***** |
| Union of American | ***** |
| United Nations Agencies | ***** |
| United Nations April | ***** |
| Universidad Nacional Autonoma | ***** |
| Universidad Nacional Abierta | ***** |
| Undertaken by A | ***** |
| Unique Natural Areas | ***** |
| Universal Network Access | **** |
| Union of Nature | **** |
| United North America | **** |
| Unión Nacional de Agricultores | **** |
| Unione Nazionale Avicoltura | **** |
| United Nations Attended | **** |
| Uganda Network of AIDS | *** |
| Universidad Notarial Argentina | *** |
| University of Agriculture | *** |
| United Networks of America | *** |
| Uomo Natura Animali | *** |
| Unincorporated Nonprofit Associations | *** |
| Ukrainian National Antivirus | *** |
| University of Newcastle Australia | *** |
| Universidad Nacional de Asuncion | *** |
| USA News Articles | *** |
| USA the Nations | *** |
| Urban Neighborhoods Alliance | *** |
| United Native Americans | *** |
| United National Alliance | *** |
| United Nations of Ava | *** |
| University of N Alabama | *** |
| Upstream Neighbor Address | *** |
| Universal Network Adapter | *** |
| Unidad Nacionalista Asturiana | *** |
| Utah Nonprofits Association | *** |
| United Nurses of America | *** |
| United Nations AMUN | *** |
| Uomo Natura Animale | *** |
| United Nations Associations | *** |
| University of Asuncion | *** |
| Urea Nitrogen Appearance | *** |
| Universal Night Answer | *** |
| Ukrainian National Assembly | ** |
| ultrasonic nebulizer administration | ** |
| Urea-nitrogen accumulation | ** |
| uterine nerve ablation | ** |
| University Neighbourhoods Association | ** |
| Universidad Naciona Abierta | ** |
| Ukranian National Antivirus | ** |
| User Needs Assessment | ** |
| Universidad Nacional Apdo | ** |
| Unibus Network Adapter | ** |
| urea nitrogen appearance rate | ** |
| United Nations Affairs | ** |
| University Neighborhood Apartments | ** |
| Uniformity of Nature | ** |
| Universidad de NorteAmerica | ** |
| University Neighbourhood Association | ** |
| Uganda News Agency | ** |
| Use No Acronyms | ** |
| Union Nacional de Agricultores | ** |
| United Nations Academy | ** |
| United Nations AAUN | ** |
| Upstream Neighbour Address | ** |
| urinary Na concentration | ** |
| urinary sodium excretion | ** |
| University Neurosurgical Associates | ** |
| Universidad Nacional Agrario | ** |
| United Nations Asociation | ** |
| Uplands Neighborhood Association | ** |
| Universal Night Answering | ** |
| University Nursing Association | ** |
| United Neurosurgery Associates | ** |
| United Newsagents of Australia | ** |
| Univ Nacional Abierta | ** |
| USA of Nashville | ** |
| United Network Associates | * |
| upt not addressable | * |
| Union of Agriculturists | * |
| Uniqueness of Names Assumption | * |
| United Nationalities Association | * |
| Universal Nubian Association | * |
| United Nations Animals | * |
| United Nations Anniversary | * |
| University of Nebraska Alpha | * |
| University of Neuch and Acirc | * |