| Nipkowskiva | Nipkow disk |
| nippel | nipple |
| nipper | knickknack |
| nipplar | nipples |
| Nipplegate | Super Bowl XXXVIII halftime show controversy |
| Nippon Budokan | Nippon Budokan |
| Nippur | Nippur |
| niqab | yashmak |
| nirvana | Nirvana |
| nisch | alcove |
| Nissa | Nice |
| Nissan | Nissan Motors |
| Nissan Cherry | Nissan Cherry |
| Nissan Diesel | UD |
| Nissan Micra | Nissan March |
| Nissan Terrano | Nissan Pathfinder |
| nit | ardor |
| nita | clinch |
| nitar | blanks |
| Niterói | Niterói |
| nitisk | assiduous |
| nitlott | blank |
| nitning | riveting |
| Nitra | Nitra |
| nitrat | nitrate |
| nitratförening | nitro compound |
| nitrera | nitride |
| nitrifiering | nitrification |
| nitrifikation | nitrification |
| Nitro Snowboards | Nitro Snowboards |
| Nitroetan | Nitroethane |
| nitroglycerin | nitroglycerin |
| Nitrometan | Nitromethane |
| Nitroniumjon | Nitronium ion |
