The word(s) "foundations" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) And [mention] when Abraham was raising the foundations of the House and [with him] Ishmael, [saying], "Our Lord, accept [this] from us. Indeed You are the Hearing, the Knowing.

(سورة البقرة, Al-Baqara, Chapter #2, Verse #127)
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(2) Those before them had already plotted, but Allah came at their building from the foundations, so the roof fell upon them from above them, and the punishment came to them from where they did not perceive.

(سورة النحل, An-Nahl, Chapter #16, Verse #26)
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