kind

1. Origins, structure, and basic meaning

• Structure: 類 denotes a kind or group whose members share traits; its on-reading is るい, and its kun-reading is たぐい.
• Basic usage: 種類 names a kind or type, while 分類 names the act or result of classifying items.

2. Common pitfalls and similar expressions

• 種類 / 分類
  • 種類: This word names a kind or type and combines naturally with numbers when types are counted. Example: 店には十種類の茶が並んでいる。
  • 分類: This word refers to sorting items by criteria such as shape, color, or subject. Example: 集めた葉を形と色で分類した。