| Meaning | Category |
| National Training Laboratories | Governmental->Military |
| National Transit Library | Governmental->Transportation |
| National Transportation Library | Governmental->Transportation |
| National Trust Library | Community->Non-Profit Organizations |
| Navigating The Library | Internet |
| Nawips Top Level | Governmental->Military |
| Network Technologies, Limited | Business->Firms |
| Neural Theory of Language | Medical->Physiology Academic & Science->Universities |
| New Tel Limited | Business->Firms |
| Newfoundland Transshipment Limited | Business->Firms Governmental->Transportation |
| No Telephone Line | Computing->Telecom |
| No Telephone Lines | Computing->Telecom |
| No Telephone, Love | Internet->Chat |
| Nortel Inversora, S. A. | Business->NYSE Symbols |
| North Twin Lakes | Governmental->State & Local |
| North Twin Lakes Elementary School | Community->Schools |
| Not Today, Love | Internet->Chat |
| Not Tremendously Lovely | Internet->Chat |
| Nothing To Lose | Governmental->Military |
| Number Theory Language | Academic & Science->Mathematics |
| Williamstown Airport, Newcastle, New South Wales, Australia | Regional->Airport Codes |
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