(bound form) inside the body or mind; the internal organs; the heart; one's inner feelings or conscience

(bound form) to examine oneself; to be introspective, such as in 反省 fǎn​xǐng

(bound form) the palace; the inner sanctum of the imperial court

(archaic) a central government ministry, such as 中书省 zhōng​shū​shěng; (modern, primarily in translation) a ministry of the Japanese government