Level VI of XX on the frequency path
Frequency rank 771 / 2,608
Mid-frequency: not on every page, but regular in books and magazines.
More common than 換 (Exchange), less common than 訪 (Visit).
A moon on the left, with a prison around a treasure chest on the right — your chest is like a prison encasing a treasure chest of organs, all glowing under the moon.
胸 is rank 771 of 2,608 in published Japanese.
Study 胸 →