日本語
otoko
male
dansei
だんせい
on・na
おんな
female
otoko no hito
おとこのひと
"otoko" means male/man. "otoko no hito" is a more polite expression. "dansei" gives a more formal impression.
あいて
a companion ; one's partner ; the other party
あたまが いい
intelligent
あに
older brother
あね
older sister
いし
doctor