- norm
- nocturnal
- nominate
- nominal
- nightmare
- nickname
- nibble
- negotiate
- negligent
- nepotism
- negligence
- neglect
- negotiation
- negation
- nauseate
- naught
- nasty
- narcotic
- nucleic acid
- nuclear energy
- no wonder
- nervous system
- natural balance
- not-too-distant future
- news coverage
- narration
- native to (the west)
- namby-pamby
- nepenthe
- notability