把 兄 弟 bǎ xiōng dì : sworn brothers

伯 bǎi : father's elder brother; senior

Big5: , Unicode: 4f2f (伯),
Links: MT, Cantonese, Ld, Chinese Language

拜 把 子 bài bǎ zi : become sworn brothers

伯 bó : paternal elder uncle; eldest of brothers; respectful form of address

Big5: , Unicode: 4f2f (伯),
Links: MT, Cantonese, Ld, Chinese Language

博 愛 bó ài : universal fraternity (or brotherhood); universal love

伯 伯 bó bo : father's elder brother; uncle

伯 父 bó fù : father's elder brother; (polite form of address for a man who is about the age of one's father)

伯 母 bó mǔ : wife of father's elder brother; aunt; (polite form of address for a woman who is about the age of one's mother)

伯 仲 叔 季 bó zhòng shū jì : eldest; second; third and youngest of brothers; order of seniority among brothers

弟 dì : younger brother

Big5: , Unicode: 5f1f (弟),
Links: MT, Cantonese, Ld, Chinese Language

娣 dì : wife of a younger brother

Big5: , Unicode: 5a23 (娣),
Links: MT, Cantonese, Ld, Chinese Language

弟 弟 dì di : younger brother

弟 妹 dì mèi : sister in law (wife's side); younger brother and younger sister

弟 兄 dì xiōng : brother

哥 gē : elder brother

Big5: , Unicode: 54e5 (哥),
Links: MT, Cantonese, Ld, Chinese Language

哥 哥 gē ge : older brother

哥 兒 gēr : brothers; boys

Big5: , Unicode: 54e5 (哥),
Links: MT, Cantonese, Ld, Chinese Language

姐 夫 jiě fu : brother in law (husband's side)

妗 jìn : wife of mother's brother

Big5: 妗, Unicode: 5997 (妗),
Links: MT, Cantonese, Ld, Chinese Language

昆 kūn : descendant; elder brother

Big5: , Unicode: 6606 (昆),
Links: MT, Cantonese, Ld, Chinese Language

晜 kūn : descendant; elder brother

Big5: 晜, Unicode: 665c (晜),
Links: MT, Cantonese, Ld, Chinese Language

老 二 lǎo èr : the second child or brother (or sister)

娌 lǐ : husband's brother's wife

Big5: , Unicode: 5a0c (娌),
Links: MT, Cantonese, Ld, Chinese Language

妹 夫 mèi fu : brother in law (wife's side)

孟 mèng : first month; eldest brother; (surname)

Big5: , Unicode: 5b5f (孟),
Links: MT, Cantonese, Ld, Chinese Language

嫂 sǎo : elder brother's wife

Big5: , Unicode: 5ac2 (嫂),
Links: MT, Cantonese, Ld, Chinese Language

嬸 [婶] shěn : wife of father's younger brother

Big5: , Unicode: 5b38 (嬸),
Links: MT, Cantonese, Ld, Chinese Language

叔 叔 shū shu : father's younger brother; uncle

雙 生 兄 弟 shuāng shēng xiōng dì : twin brothers

姒 sì : (surname); wife of older brother

Big5: , Unicode: 59d2 (姒),
Links: MT, Cantonese, Ld, Chinese Language

悌 tì : do one's duty as a younger brother

Big5: , Unicode: 608c (悌),
Links: MT, Cantonese, Ld, Chinese Language

兄 xiōng : elder brother

Big5: , Unicode: 5144 (兄),
Links: MT, Cantonese, Ld, Chinese Language

兄 弟 xiōng dì : brothers; younger brother; brethren

姪 女 zhí nǚ : niece; brother's daughter

妯 zhóu : wives of brothers

Big5: , Unicode: 59af (妯),
Links: MT, Cantonese, Ld, Chinese Language