mail

1. Origins, structure, and basic meaning

• Structure: The on reading is ゆう, and no kun reading is listed. It has 11 strokes and relates to mail and the act of sending something by post.
• Basic usage: 郵便 is read ゆうびん, and 郵送 is read ゆうそう.

2. Common pitfalls and similar expressions

• 郵便 / 郵送
  • 郵便 means mail or post and is read ゆうびん. It refers to mail or post delivered through the postal system.
  • 郵便で届いた手紙を机の上に置いた。 means “I placed the letter that arrived by mail on the desk.”
  • 郵送 means mailing or to mail and is read ゆうそう. It refers to mailing documents or a guidebook.
  • 必要な書類を事務局へ郵送した。 means “I mailed the necessary documents to the office.”