Root س ي ل(s y l) has 4 unique word forms and appears 4 times in the Quran.

English gloss Flow, Flood, Stream, River Bed, Melting

Word Translation Occurrences
سَيۡلَ (the) flood 2
فَسَالَتۡ and flows 2
ٱلسَّيۡلُ the torrent 2
وَأَسَلۡنَا and We caused to flow 2