返へん書しょ

noun

written reply; response letter

Refers specifically to a written reply to a letter or message. Slightly formal; in casual contexts 返事 (へんじ) is more common.

• 先せん日じつのお手て紙がみに対たいする返へん書しょを送おくりました。

  I sent a reply to your recent letter.

• 返へん書しょがまだ届とどいていない。

  The reply letter hasn't arrived yet.