水 (pinyin shuǐ, "water") is an HSK 1 Mandarin character with 4 strokes, built on the radical 水.

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水

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shuǐ

water

Tone 3 · Third tone (dipping)

Strokes

HSK

1 · tier 1c

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Characters with the same rime -uei, same-tone matches first. Many are true phonetic relatives; others are coincidental.