Farsi:
* صلح (Solh) - This is the most common and basic word for "peace" in Farsi.
Gaelic:
* Sìth (pronounced shee) - This is the basic word for "peace" in Gaelic.
Thai:
* สันติภาพ (Santiphap) - This is the basic word for "peace" in Thai.
Let me know if you have any other language requests!