| Meaning | Category |
| Narodnyi Komissariat | Governmental |
| Natural Killer cells (large lymphocytes, part of the immune system) | Medical->Oncology |
| Neo Kenya | Regional |
| Newark Field Office | Governmental->FBI Files |
| No Kills | Governmental->Military |
| No Kleenex | Internet->Chat |
| Noble Knight | Miscellaneous->Awards & Medals |
| Nordiska Kompaniet | Business->Firms |
| Not known | Medical->Oncology Medical->Physiology |
| Number Of Kids | Community Community->Law Governmental->Military Community->Sports Governmental->US Government |
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