Most common:
* 和平 (hé píng): This is the most common and general term for "peace". It refers to a state of tranquility and absence of conflict.
Other options:
* 安宁 (ān níng): This emphasizes a sense of calm and serenity, suggesting a peaceful environment.
* 平静 (píng jìng): This describes a state of inner peace and composure.
* 和睦 (hé mù): This specifically refers to harmony and peaceful relations between people.
For specific contexts:
* 世界和平 (shì jiè hé píng): World peace.
* 和平共处 (hé píng gòng chǔ): Peaceful coexistence.
* 和平条约 (hé píng tiáo yuē): Peace treaty.
The best way to use these words depends on the specific context.