The word(s) "as-sakinah" appears 2 time(s) in 2 verse(s) in Quran in Mohsin Khan translation.

(1) He it is Who sent down as-sakinah (calmness and tranquillity) into the hearts of the believers, that they may grow more in Faith along with their (present) Faith. And to Allah belong the hosts of the heavens and the earth, and Allah is Ever All-Knower, All-Wise.

(سورة الفتح, Al-Fath, Chapter #48, Verse #4)
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(2) Indeed, Allah was pleased with the believers when they gave the Bai'ah (pledge) to you (O Muhammad صلى الله عليه وسلم) under the tree: He knew what was in their hearts, and He sent down as-sakinah (calmness and tranquillity) upon them, and He rewarded them with a near victory.

(سورة الفتح, Al-Fath, Chapter #48, Verse #18)
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