- 内 (nèi): inside; inner; internal; within; interior
- 内容 (nèi róng): content; substance; details; CL: 個|个(gè), 项(xiàng)
- 内部 (nèi bù): interior; inside (part, section); internal;
- 内科 (nèi kē): medicine; ‘internal’ medicine, i.e. treatment by administering drugs, as opposed to surgical intervention; medical department
- 内涵 (nèi hán): meaning; content; essential properties implied or reflected by a notion; intention; connotation; self-possessed
- 内幕 (nèi mù): inside story; non-public information; behind the scenes; internal
- 内在 (nèi zài): intrinsic; innate
*CL: Classifier/Measure Word