Root ل ي ل(l y l) has 11 unique word forms and appears 92 times in the Quran.

English gloss Night, Nightly, Cover of Darkness

Word Translation Occurrences
ٱلَّيۡلِ (at) the night, (by) night, (of) the night, of the night, of the night, the darkness (of) night, the night, (at) the night, (by) night, (of) the night, the darkness (of) night, the night 50
ٱلَّيۡلَ (in) the night, the night, (in) the night, [the] night, [the] night, the night 50
وَٱلَّيۡلِ And the night, By the night, And the night, By the night 14
بِٱلَّيۡلِ by night, by the night, in the night, by night, by the night, in the night 12
ٱلَّيۡلُ (are) the night, (is) the night, the night, (are) the night, (is) the night, the night 8
لَيۡلٗا a night, (by) night, night, a night, night, (by) night 6
ٱلَّيۡلِۚ the night, the night 6
لَيۡلَةُ (the) Night, (The) Night, (the) Night, (The) Night 4
لَيَالٖ nights, nights 4
لَيۡلًا (by) night, (by) night 4
لَيۡلَةٗ nights, nights 4
ٱلَّيۡلِۖ the night, the night 4
لَيۡلَةٗۚ night(s), night (s) 2
لَيۡلَهَا its night, its night 2
وَبِٱلَّيۡلِۚ And at night, And at night 2
وَلَيَالٍ And the nights, And the nights 2
لَيَالِيَ (by) night, (by) night 2
بِلَيۡلٖ night, night 2
لَيۡلَةَ (in the) nights, (in the) nights 2
لَيۡلَةِ (the) Night, (the) Night 2
لَيۡلَةٖ a Night, a Night 2