臓 — “internal organ” in Japanese

Grade 6ぞう

Radical ⾁ · radical 130 The building block this kanji is filed under

“internal organ” in Japanese is 臓, read zou (ぞう). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 心臓 (heart).

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What does 臓 mean?

Full details, readings & example

Kanji	臓
Meaning	internal organ
Readings	ぞう
Grade	Grade 6 (Hardest)
Curriculum	Kyōiku kanji · Japanese elementary school
Example	心臓 (heart)

How to read 臓

臓 is read zou (ぞう) depending on the word.

Words with 臓

心臓
肝臓
腎臓

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Kanji read the same way as 臓

Same sound, different character — the classic trap. Compare them side by side:

Updated: 2026-08-28