fraternal /frə-tûrˈnl/

1. Belonging to a brother or brethren
2. Brotherly
3. (of twins) dizygotic, not identical

fraterˈnally adverb

• trienes
• triennia
• triennial
• triennially
• triennials
• triennium
• trienniums
• trier
• trierarch
• trierarchal
• trierarchies
• trierarchs
• trierarchy
• triers
• tries
• trieteric
• triethyl
• triethylamine
• triethylamines
• trifacial
• trifacial nerve
• trifacial nerves
• trifarious
• trifecta
• trifectas