sort by Rank | Alpha
| Possible Meanings | Rank |
| National Agenda for Early Childhood | **** |
| National Agency for Enterprise and Construction | **** |
| North American Ecotourism Conference | **** |
| North American Education Conference | **** |
| North American Economic Community | *** |
| Networking and Electronic Commerce | *** |
| North Arkansas Electric Cooperative | *** |
| National Agricultural Exhibition Centre | *** |
| National Association of Evangelicals Convention | *** |
| National Agriculture Exhibition Center | *** |
| North Addington Education Centre | *** |
| North Atlantic Energy Corporation | *** |
| National Agency for Energy Conservation | *** |
| North American Energy Conservation | *** |
| National Archive of Educational Computing | *** |
| North American Export Committee | *** |
| National Atomic Energy Company | *** |
| Northern Alaska Environmental Center | *** |
| National Agency for Export Control | *** |
| National Advisory Eye Council | *** |
| National Agricultural Extension Centre | *** |
| Novell Authorized Education Centers | *** |
| North Africa Economic Community | *** |
| National Assessment and Examinations Center | ** |
| Nigerian Atomic Energy Commission | ** |
| National Association of Epilepsy Centers | ** |
| National Agricultural Extension Center | ** |
| National Accreditation and Equivalence Council | ** |
| National Agriculture Extension Centre | ** |
| National Atomic Energy Committee | ** |
| Novell Authorised Education Center | ** |
| North American Endurance Championships | ** |
| Northeast Asia Economic Conference | ** |
| North American Echinoderm Conference | ** |
| Novell Authorised Education Centre | ** |
| National Agricultural Environment Committee | ** |
| Narrow Axial External Corrosion | ** |
| National Agribusiness Education Commission | ** |
| North American Education Committee | ** |
| North American Energy Community | ** |
| Novell Authorized Education Centre | ** |
| North American Environmental Committee | ** |
| NIH AIDS Executive Committee | ** |
| Novell Authorised Education Centres | ** |
| National Arts Education Conference | ** |
| Nebraska Aging Enrichment Coalition | ** |
| National Academy for Educators and Caregivers | ** |
| National Association Elevator Contractors | ** |
| National Atomic Energy Centre | ** |
| Nature and Agriculture Education Centre | ** |
| National Aerospace Education Center | ** |
| National Agriculture Extension Center | ** |
| National Assessment and Examination Centre | ** |
| National Aboriginal Education Committee | * |
| National Agricultural Exhibition Center | * |
| National Animal Evaluation Committee | * |
| National Arts Education Consortium | * |
| National Atomic Energy Commission | * |
| Naval Aviation Engineering Center | * |
| Nanotechnology in Aerospace and Electronics Conference | * |
| North American Education Center | * |
| Nucleic Acid Extraction Centre | * |
| Natural Areas Evaluation Committee | * |
| Naval Air Engineering Centre | * |
| North Atlantic Energy Company | * |
| Northern Aboriginal Education Circle | * |
| National AIDS Executive Committee | * |
| National Assessment and Examination Center | * |
| National Association of Elevators Contractors | * |
| National Association of Export Companies | * |
| NAFTA Architectural Education Consortium | * |
| National Appliance Energy Conservation | * |
| North Anna Environmental Coalition | * |
| National Aeronautical Establishment of Canada | * |