- nickel arsenide
- nickel bath
- nickel carbonyl
- nickel mineral
- nickel nurser
- nickel ocher
- nickel ore
- nickel pan
- nickel shot
- nickel silver
- nickel titanium
- nickel-cadmium
- nickel-clad
- nickel-hydroxide
- nickel-plated
- nickel-plating
- nickelage
- nickeled
- nickeliferous
- nickeling
- nickelise
- nickelize
- nickelled
- nicker
- nicker tar
- nicking
- nickings
- nickname
- nicol
- nicols
- nicotation
- nicotelline
- nicotian
- nicotiana
- nicotinamide
- nicotine
- nicotinic acid
- nicotinise
- nicotinism
- nicotinize
- nicotinyl
- nictate
- nictating membrance
- nictating membrane
- nictation
- nictitate
- nictitating membrane
- nictitating spasm
- nictitation
- nicy
- nid-nod
- nidal
- nidation
- niddering
- niddle-noddle
- nide
- nidering
- nidi
- nidificate
- nidification
- nidify
- nidox
- nidus
- niece
- nielli
- niellist
- niello
- nielloed
- nife
- nife-zone
- niff
- niffy
- nifle
- nifty
- nifuratel
- nig
- niger
- niggard
- niggardly
- nigger
- nigger oil
- niggers
- niggle
- niggling
- nigh
- night
- night audit
- night bar
- night charge
- night club
- night differential
- night effect
- night latch
- night market
- night porter
- night power
- night range
- night rate
- night safe
- night service