-n't shortened (enclitic) form of not¹

NT

1. National Theatre (now known as RNT)
2. National Trust
3. New Testament
4. Northern Territory (Aust)
5. Northwest Territories (of Canada)
6. No trumps (cards)

• gold card
• gold cards
• gold certificate
• gold certificates
• gold-cloth
• gold-cloths
• goldcrest
• goldcrests
• gold-digger
• gold-diggers
• gold-digging
• gold disc
• gold discs
• gold dust
• golden
• golden age
• golden ages
• goldenberries
• goldenberry
• golden bough
• golden boughs
• golden bowler
• golden bowlers
• golden boy
• golden boys