NI

1. National Insurance
2. Northern Ireland
3. North Island (of New Zealand)

Ni (chem)

Nickel

• to a man
• to and fro
• to a nicety
• toast
• toasted
• toaster
• toasters
• toastie
• toastier
• toasties
• toastiest
• toasting
• toasting fork
• toasting forks
• toasting iron
• toastings
• toastmaster
• toastmasters
• toastmistress
• toast rack
• toast racks
• toasts
• toasty
• to a T
• to a tee