duplicate

1. Origins, structure, and basic meaning

• Structure: 複 is read ふく. It has 14 strokes and relates to multiplicity, duplication, or overlap.
• Basic usage: 複数 is read ふくすう, and 複雑 is read ふくざつ.

2. Common pitfalls and similar expressions

• 複数 and 複雑
  • 複数 means multiple or several.
  • 複数の案を比べて一つを選んだ。 means “We compared several proposals and chose one.”
  • 複雑 means complex or complicated.
  • 駅の地下通路は複雑で迷いやすい。 means “The station's underground passages are complex and easy to get lost in.”