- nudibranch
- nude statue
- nude sculpture
- nuetral
- nuffield
- nsu
- nrti
- nuance
- nubble
- nub
- nubian desert
- nubian
- nubia
- nucifraga caryocatactes
- nucifraga columbiana
- nuclear energy
- nuclear chemist
- nuclear club
- nuclear engineering
- nuclear chemistry
- nuclear cataract
- nuclear fission
- nuclear explosion
- nuclear fuel
- nuclear magnetic resonance
- nuclear medicine
- nuclear meltdown
- nuclear physicist
- nuclear physics
- nugget
- nuclear power
- nuisance tax
- null set
- nuisance value
- numb
- nullified
- null space
- nullifier
- numbat
- nullarbor plain
- number (in grammar)
- number (of a newspaper journal or magazine etc.)
- number agreement
- number 1
- number cruncher
- number among
- number one
- number one wood
- number representation system
- number of