Chinese words with 内 character meaning (HSK)

NEI4
inside, inner, internal, within, interior

NEI4, RONG2
content, substance, details

NEI4, BU4
interior, inside (part, section), internal

NEI4, KE1
medicine, 'internal' medicine, i.e. treatment by administering drugs, as opposed to surgical intervention, medical department

NEI4, HAN2
meaning, content, essential properties implied or reflected by a notion, intention, connotation, self-possessed

NEI4, MU4
inside story, non-public information, behind the scenes, internal

NEI4, ZAI4
intrinsic, innate