- Nuttall oak
- Nuttall's oak
- neruda
- nutrient
- nevoid elephantiasis
- neftali ricardo reyes
- neckband
- news media
- neurosyphilis
- nero's crown
- north borneo
- nautilus
- nuclear_powered submarine
- nuclear submarine
- neck opening
- neck
- nonworker
- nuts
- northern rhodesia
- nonparticulate radiation
- non geostationary
- not to take notice
- ninety one
- nod
- not crooked
- negative quantity
- niceness
- nausea
- niched battlement (of a castle)
- need
- near epic poem
- nominal form of the verb
- nimble
- naughty
- nimbleness
- neutral wire
- nightmare
- neither
- nor
- not to say
- neither fish nor fowl
- not know where way to look
- non stick
- nescient
- no more
- noose
- nitrobacteria
- nitrosobacteria
- novice
- night