[おとうと(P);おと;おとと(ik);てい, otouto (P); oto ; ototo (ik); tei] (n) (1) (hum) younger brother; (2) (てい only) (arch) pupil; apprentice; (P) #1845
[じってい, jittei] (n) one's (biological) younger brother; (P) #16848
[おとおじ, otooji] (n) (arch) (See 伯父・えおじ) uncle (one's father's younger brother)
[おうてい, outei] (n) royal prince; crown prince's younger brother
[ぎてい(P);おとうと(ik), gitei (P); otouto (ik)] (n) (See 弟) younger brother-in-law; (P)
[ぐてい, gutei] (n) (1) (hum) younger brother; (2) (vulg) stupid younger brother
[けんてい, kentei] (pn, adj-no) wise younger brother; polite reference to another's younger brother, or to one's junior
[してい;きょうだい(ik), shitei ; kyoudai (ik)] (n) older sister and younger brother
[しゃてい, shatei] (n) (1) my younger brother; (2) underling (e.g. in yakuza)
[おとうとさん, otoutosan] (n) (hon) younger brother
[おとうとよめ;おとよめ, otoutoyome ; otoyome] (n) younger brother's wife
[おとうとぎみ, otoutogimi] (n) (arch) (pol) younger brother
[おとうとご, otoutogo] (n) your younger brother
[おとうとごろし, otoutogoroshi] (n) killing a younger brother; fratricide
[おとおじ, otooji] (n) parent's younger brother; uncle
[おとうとぶん, otoutobun] (n) friend treated as younger brother
[ていまい, teimai] (n) younger brother and sister; (P)
[ぼうてい, boutei] (n) one's deceased younger brother
[れいてい, reitei] (n) your younger brother