sort by Rank | Alpha
| Possible Meanings | Rank |
| Charter of the New Urbanism | **** |
| Command Network Unit | **** |
| Congress of New Urbanism | **** |
| Comando Nacional Unitario | **** |
| Congress for New Urbanism | **** |
| Cebu Normal University | **** |
| Colleges and Universities | *** |
| Counter Narcotics Unit | *** |
| Comitato Nazionale Universitario | *** |
| Christopher Newport University (Newport News, VA) | *** |
| Cable Network Unit | *** |
| Cheju National University | *** |
| Chungbuk National University | *** |
| Consiglio Nazionale Utenti | *** |
| Consejo Nacional Universitario | *** |
| Changwon National University | *** |
| coefficient of nutritive utilization | ** |
| N-(2-Chloroethyl)nitrosoureas | ** |
| Community Nursing Units | ** |
| 1-(2-chloroethyl)-1-nitrosourea | ** |
| Congress on New Urbanism | ** |
| Chongqing Normal University | ** |
| Cameroon National Union | ** |
| 2-chloroethyl-N-nitrosourea | ** |
| N-(2-chloroethyl)-N-nitrosourea | ** |
| N-chloroethyl-N-nitrosourea | ** |
| Classified Non Union | ** |
| Crisis Negotiations Unit | ** |
| Comité Nacional Uruguayo | ** |
| Child Nutrition U | ** |
| Coaxial Network Unit | ** |
| Connection Name Utility | ** |
| Check Node Unit | * |
| Centre National Universitaire | * |
| Cognitive Neuroimaging Unit | * |
| Communication Navigation Upgrade | * |
| City Net Ukraine | * |
| Computech Networking Unix | * |
| ConfTrence des Nations Unies | * |