-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)

• captured
• capturer
• chewinks
• chew out
• chew over
• chews
• chew the cud
• chew the fat
• chew the rag
• chew up
• chewy
• Cheyenne
• Cheyne-Stokes breathing
• chez
• chg.
• ch'i
• chi
• chiack
• chiacked
• chiacking
• chiackings
• chiacks
• Chian
• Chianti
• Chiantishire