fraternal /frə-tûrˈnl/

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

• by courtesy of
• by default
• by definition
• by degrees
• by design
• by-drinking
• bye
• bye-
• bye-bye
• bye-byes
• bye-law
• bye-laws
• by-election
• by-elections
• Byelorussian
• by-end
• by-ends
• byes
• by far
• by-form
• by-forms
• by-going
• by-goings
• bygone
• bygones