sort by Rank | Alpha
| Possible Meanings | Rank |
| Native American Community Board | *** |
| North American County Board | *** |
| North American Conference on Bisexuality | *** |
| National Association of Catering Butchers | ** |
| Nodes Above Cracked Boll | ** |
| Node Above Cracked Boll | ** |
| National Academy of Biochemistry | ** |
| Nigeria Agricultural and Cooperative Bank | ** |
| Nigerian Agricultural Cooperative Bank | ** |
| Nucleic Acid Chemical Biology | ** |
| Northeast Asia Cooperation Bank | ** |
| National Association of Children of the Blind | ** |
| Native Amercian Community Board | ** |
| National Association of Clinical Biochemistry | ** |
| National Association of Customs Brokers | ** |
| National Academy for Clinical Biochemistry | * |
| National Alliance of Breast | * |