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- north island
- north pole
- north sea
- north west co.
- north york
- north yorkshire
- northampton
- northamptonshire
- northeast indian
- northeast passage
- northern expedition
- northern ireland
- northern mariana islands
- northern pacific railway co.
- northern territory
- northern war, first
- northern war, second
- northern wei dynasty
- northern wei sculpture
- northumberland
- northumbria
- northwest coast indian
- northwest ordinances
- northwest passage
- northwest territories
- northwestern university
- norwegian language
- norwegian sea
- nose
- nostoc
- nostratic hypothesis
- notary
- notre dame, university of
- notre-dame de paris
- notre-dame school
- nottinghamshire
- nouvelle cuisine
- nova
- novara, battle of
- novartis ag
- novel
- novella
- novgorod school
- nsaids
- nubia
- nubian desert
- nuclear energy
- nuclear fission
- nuclear fusion
- nuclear magnetic resonance (nmr)
- nuclear medicine
- nuclear non-proliferation treaty (npt)
- nuclear physics
- nuclear power
- nuclear reactor
- nuclear regulatory commission (nrc)
- nuclear test-ban treaty
- nuclear weapon
- nuclear winter
- nucleic acid
- nucleophile
- nucleoprotein
- nucleoside
- nucleosynthesis
- nucleotide
- nucleus
- nuclide
- nudibranch
- nuée ardente
- nuer
- nuevo león
- nuisance
- nuku'alofa
- nullarbor plain
- nullification
- number
- number system
- number theory
- numerical analysis
- numerical control
- numerology
- numidia
- nun
- nürnberg laws
- nürnberg rallies
- nürnberg trials
- nurse shark
- nursery
- nursery rhyme
- nursing
- nursing home
- nut
- nuthatch
- nutmeg
- nutria
- nutrition
- nuu-chah-nulth
- nüwua
- nyakyusa