home

1. Origins, structure, and basic meaning

• Structure: 宅 means home; its on-reading is たく.
• Basic usage: 自宅(じたく) means one's home, while 宅配(たくはい) means home delivery.

2. Common pitfalls and similar expressions

• The home returned to and the delivery method
  • 自宅へ帰った means that someone returned home. 自宅 identifies the home where that person lives.
  • 宅配で届いた means that something arrived by home delivery. Here 宅配 identifies how a book or box is delivered.