Most common:
* صلح (Solh) - This is the most common word for peace, used in general contexts like "make peace" or "peace treaty."
Other options:
* آرامش (Ārāmish) - This word refers to a state of calmness and tranquility, similar to "inner peace."
* امنیت (Emniyat) - This translates to "security," but it can also be used to describe a state of peace and freedom from fear.
The best word to use will depend on the specific situation.