Surah An-Nisa (4:86)
وَإِذَا حُيِّيتُم بِتَحِيَّةٍ فَحَيُّوا۟ بِأَحْسَنَ مِنْهَآ أَوْ رُدُّوهَآ إِنَّ ٱللَّهَ كَانَ عَلَىٰ كُلِّ شَىْءٍ حَسِيبًا
And when you are given a greeting, then greet with one better than it, or return it; indeed, Allah has always been a Reckoner over every thing.
Roots in this verse: ح ي ي (Hyy), ح س ن (Hsn), ر د د (rdd), ا ل ه (Alh), ك و ن (kwn), ك ل ل (kll), ش ي ا ($yA), ح س ب (Hsb)