siblings

brothers and sisters

(n.) a godbrother; a younger man who is as close as your biological brother; an idiot; an asshole; a bastard; a gigolo; a term to address the younger male of a gay couple

noun; army

Super Mario Bros

Twin brothers

noun; brothers who are related have stronger obligations to each other than to people outside the family; "blood is thicker than water"

(slang) saying two people's friendship as good as brothers

distant male cousin

best male mates (spoken)

address each other as brothers; be on intimate terms

(noun) sworn sisters or brothers

(slang)destitute; indigent; suffering extreme hardship

brothers-in-law whose wives are sisters; a more modern interpretation of this phrase is to refer to two guys who have slept with the same woman

Blood brothers

Big Two (Chinese poker game)

triad brothers [colloquial]

sworn brothers [colloquial]

brother

younger brother

younger brother

brothers

younger male cousin from paternal side

paternal cousins

apprentice

disciples

younger brother

wealthy family's children

master and disciple

younger male cousin (same surname)