1. Being ten more than thirty
   - forty, 40, xl

See also: cardinal

• National Technical Information Service
• national trading policy
• National Trust
• National Volunteers Association
• National Weather Service
• nationalisation
• nationalise
• nationalism
• nationalist
• Nationalist China
• nationalist leader
• nationalistic
• nationality
• nationalization
• nationalize
• nationally
• nationhood
• nationwide
• native
• Native Alaskan
• Native American
• native Australian
• native bear
• native beech
• native cat