- 奴隶制 núlìzhì slavery
- 奴隶主 núlìzhǔ slave owner
- 奴隶社会 núlìshèhuì slave societyslave-owning society (precedes feudal society in Marxist theory)
- 奴隶制度 núlìzhìdù slavery
- 奴隶船 núlìchuán slave shipa ship used for the transportation of enslaved people, particularly in the context of the transatlantic slave trade