Little brother would be oto or ototo. Theoretically, you could attach suffixes to make it oto-chan, oto-kun, or so on... but I don't think that's very common at all.
Japanese Text: 弟
How do you Say it Verbally?: otouto
Example:
I have 2 little brothers - watashi WA otouto ga futari ga imasu
otouto = younger brother otouto san WA _____ = my younger brother is _____ You call your little brother otouto. If it is a baby you can refer to it as akachan as well, but it seems a little distant.
ototo
you can say "nong" to a little brother or sister
otouto
Your younger brother: Otoosan (polite) Your elder brother: oniisan (polite)
you can say "nong" to a little brother or sister
In Farsi, you say "برادر کوچک" (baradar kuchak) to refer to a little brother.
You would say "細佬" (sai3 lou2) in Cantonese to refer to a little brother.
弟 Otōto
If you are also a boy, you would say "kaikaina" for a younger brother (kaikua'ana for an older brother). If you are a girl, you would say "kaikunane" for a brother.
You may say 'imouto.'
hiko