らいしん

来信
letter received
来診
doctor's visit

* * *

I

らいしん【来信】

a letter received.

●来信がある have [receive] a letter from 《a friend》; hear from sb.

●来信に返事を書く answer [reply to] a letter 《from sb》.

来信箱 a letter box.

II

らいしん【来診】

●来診を求める[乞う] send for [call in] a doctor.